Home / 16,490.54-22,756.14-9,320.60

Finding the Fourth Proportional to 16,490.54, 22,756.14 and 9,320.60

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Solution

The fourth proportional to 16,490.54, 22,756.14 and 9,320.60 is: 12,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.54 : 22,756.14 = 9,320.60 : x
  2. Step 2: Convert to fraction form
    16,490.54/22,756.14 = 9,320.60/x
  3. Step 3: Cross multiply
    16,490.54x = 22,756.14 × 9,320.60
  4. Step 4: Simplify right side
    16,490.54x = 212,100,878.48
  5. Step 5: Solve for x
    x = 212,100,878.48/16,490.54
  6. Step 6: Final answer
    x = 12,861.97

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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.