Home / 29,355.50-40,510.66-15,926.75

Finding the Fourth Proportional to 29,355.50, 40,510.66 and 15,926.75

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Solution

The fourth proportional to 29,355.50, 40,510.66 and 15,926.75 is: 21,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,355.50 : 40,510.66 = 15,926.75 : x
  2. Step 2: Convert to fraction form
    29,355.50/40,510.66 = 15,926.75/x
  3. Step 3: Cross multiply
    29,355.50x = 40,510.66 × 15,926.75
  4. Step 4: Simplify right side
    29,355.50x = 645,203,154.16
  5. Step 5: Solve for x
    x = 645,203,154.16/29,355.50
  6. Step 6: Final answer
    x = 21,978.95

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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.