Home / 19,886.29-29,807.55-8,193.13

Finding the Fourth Proportional to 19,886.29, 29,807.55 and 8,193.13

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Solution

The fourth proportional to 19,886.29, 29,807.55 and 8,193.13 is: 12,280.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.29 : 29,807.55 = 8,193.13 : x
  2. Step 2: Convert to fraction form
    19,886.29/29,807.55 = 8,193.13/x
  3. Step 3: Cross multiply
    19,886.29x = 29,807.55 × 8,193.13
  4. Step 4: Simplify right side
    19,886.29x = 244,217,057.61
  5. Step 5: Solve for x
    x = 244,217,057.61/19,886.29
  6. Step 6: Final answer
    x = 12,280.68

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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.