Home / 23,179.32-31,987.45-12,568.96

Finding the Fourth Proportional to 23,179.32, 31,987.45 and 12,568.96

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Solution

The fourth proportional to 23,179.32, 31,987.45 and 12,568.96 is: 17,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.32 : 31,987.45 = 12,568.96 : x
  2. Step 2: Convert to fraction form
    23,179.32/31,987.45 = 12,568.96/x
  3. Step 3: Cross multiply
    23,179.32x = 31,987.45 × 12,568.96
  4. Step 4: Simplify right side
    23,179.32x = 402,048,819.61
  5. Step 5: Solve for x
    x = 402,048,819.61/23,179.32
  6. Step 6: Final answer
    x = 17,345.16

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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.