Home / 21,197.68-29,250.64-12,248.04

Finding the Fourth Proportional to 21,197.68, 29,250.64 and 12,248.04

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Solution

The fourth proportional to 21,197.68, 29,250.64 and 12,248.04 is: 16,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.68 : 29,250.64 = 12,248.04 : x
  2. Step 2: Convert to fraction form
    21,197.68/29,250.64 = 12,248.04/x
  3. Step 3: Cross multiply
    21,197.68x = 29,250.64 × 12,248.04
  4. Step 4: Simplify right side
    21,197.68x = 358,263,008.75
  5. Step 5: Solve for x
    x = 358,263,008.75/21,197.68
  6. Step 6: Final answer
    x = 16,901.05

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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.