Home / 16,099.61-22,218.75-8,930.23

Finding the Fourth Proportional to 16,099.61, 22,218.75 and 8,930.23

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Solution

The fourth proportional to 16,099.61, 22,218.75 and 8,930.23 is: 12,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,099.61 : 22,218.75 = 8,930.23 : x
  2. Step 2: Convert to fraction form
    16,099.61/22,218.75 = 8,930.23/x
  3. Step 3: Cross multiply
    16,099.61x = 22,218.75 × 8,930.23
  4. Step 4: Simplify right side
    16,099.61x = 198,418,547.81
  5. Step 5: Solve for x
    x = 198,418,547.81/16,099.61
  6. Step 6: Final answer
    x = 12,324.43

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Half scale
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Double scale
Find fourth proportional to 16,100.61, 22,220.13 and 8,931.23
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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.