Home / 16,429.28-22,673.12-9,261.60

Finding the Fourth Proportional to 16,429.28, 22,673.12 and 9,261.60

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Solution

The fourth proportional to 16,429.28, 22,673.12 and 9,261.60 is: 12,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.28 : 22,673.12 = 9,261.60 : x
  2. Step 2: Convert to fraction form
    16,429.28/22,673.12 = 9,261.60/x
  3. Step 3: Cross multiply
    16,429.28x = 22,673.12 × 9,261.60
  4. Step 4: Simplify right side
    16,429.28x = 209,989,368.19
  5. Step 5: Solve for x
    x = 209,989,368.19/16,429.28
  6. Step 6: Final answer
    x = 12,781.41

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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.