Home / 16,431.20-22,664.15-10,470.26

Finding the Fourth Proportional to 16,431.20, 22,664.15 and 10,470.26

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Solution

The fourth proportional to 16,431.20, 22,664.15 and 10,470.26 is: 14,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.20 : 22,664.15 = 10,470.26 : x
  2. Step 2: Convert to fraction form
    16,431.20/22,664.15 = 10,470.26/x
  3. Step 3: Cross multiply
    16,431.20x = 22,664.15 × 10,470.26
  4. Step 4: Simplify right side
    16,431.20x = 237,299,645.65
  5. Step 5: Solve for x
    x = 237,299,645.65/16,431.20
  6. Step 6: Final answer
    x = 14,442.01

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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.