Home / 19,924.32-29,876.28-11,156.88

Finding the Fourth Proportional to 19,924.32, 29,876.28 and 11,156.88

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Solution

The fourth proportional to 19,924.32, 29,876.28 and 11,156.88 is: 16,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.32 : 29,876.28 = 11,156.88 : x
  2. Step 2: Convert to fraction form
    19,924.32/29,876.28 = 11,156.88/x
  3. Step 3: Cross multiply
    19,924.32x = 29,876.28 × 11,156.88
  4. Step 4: Simplify right side
    19,924.32x = 333,326,070.81
  5. Step 5: Solve for x
    x = 333,326,070.81/19,924.32
  6. Step 6: Final answer
    x = 16,729.61

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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.