Home / 16,352.32-22,559.52-11,387.20

Finding the Fourth Proportional to 16,352.32, 22,559.52 and 11,387.20

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Solution

The fourth proportional to 16,352.32, 22,559.52 and 11,387.20 is: 15,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.32 : 22,559.52 = 11,387.20 : x
  2. Step 2: Convert to fraction form
    16,352.32/22,559.52 = 11,387.20/x
  3. Step 3: Cross multiply
    16,352.32x = 22,559.52 × 11,387.20
  4. Step 4: Simplify right side
    16,352.32x = 256,889,766.14
  5. Step 5: Solve for x
    x = 256,889,766.14/16,352.32
  6. Step 6: Final answer
    x = 15,709.68

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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.