Home / 16,014.49-22,099.53-8,940.76

Finding the Fourth Proportional to 16,014.49, 22,099.53 and 8,940.76

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Solution

The fourth proportional to 16,014.49, 22,099.53 and 8,940.76 is: 12,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,014.49 : 22,099.53 = 8,940.76 : x
  2. Step 2: Convert to fraction form
    16,014.49/22,099.53 = 8,940.76/x
  3. Step 3: Cross multiply
    16,014.49x = 22,099.53 × 8,940.76
  4. Step 4: Simplify right side
    16,014.49x = 197,586,572.12
  5. Step 5: Solve for x
    x = 197,586,572.12/16,014.49
  6. Step 6: Final answer
    x = 12,337.99

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Half scale
Find fourth proportional to 32,028.98, 44,199.07 and 17,881.52
Double scale
Find fourth proportional to 16,015.49, 22,100.91 and 8,941.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.