Home / 16,475.28-22,734.48-9,400.32

Finding the Fourth Proportional to 16,475.28, 22,734.48 and 9,400.32

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Solution

The fourth proportional to 16,475.28, 22,734.48 and 9,400.32 is: 12,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,475.28 : 22,734.48 = 9,400.32 : x
  2. Step 2: Convert to fraction form
    16,475.28/22,734.48 = 9,400.32/x
  3. Step 3: Cross multiply
    16,475.28x = 22,734.48 × 9,400.32
  4. Step 4: Simplify right side
    16,475.28x = 213,711,387.03
  5. Step 5: Solve for x
    x = 213,711,387.03/16,475.28
  6. Step 6: Final answer
    x = 12,971.64

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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.