Home / 15,499.62-23,223.86-8,931.32

Finding the Fourth Proportional to 15,499.62, 23,223.86 and 8,931.32

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Solution

The fourth proportional to 15,499.62, 23,223.86 and 8,931.32 is: 13,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.62 : 23,223.86 = 8,931.32 : x
  2. Step 2: Convert to fraction form
    15,499.62/23,223.86 = 8,931.32/x
  3. Step 3: Cross multiply
    15,499.62x = 23,223.86 × 8,931.32
  4. Step 4: Simplify right side
    15,499.62x = 207,419,725.30
  5. Step 5: Solve for x
    x = 207,419,725.30/15,499.62
  6. Step 6: Final answer
    x = 13,382.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.