Home / 19,904.10-29,856.15-17,133.90

Finding the Fourth Proportional to 19,904.10, 29,856.15 and 17,133.90

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Solution

The fourth proportional to 19,904.10, 29,856.15 and 17,133.90 is: 25,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.10 : 29,856.15 = 17,133.90 : x
  2. Step 2: Convert to fraction form
    19,904.10/29,856.15 = 17,133.90/x
  3. Step 3: Cross multiply
    19,904.10x = 29,856.15 × 17,133.90
  4. Step 4: Simplify right side
    19,904.10x = 511,552,288.49
  5. Step 5: Solve for x
    x = 511,552,288.49/19,904.10
  6. Step 6: Final answer
    x = 25,700.85

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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.