Home / 19,526.13-29,170.49-12,449.75

Finding the Fourth Proportional to 19,526.13, 29,170.49 and 12,449.75

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Solution

The fourth proportional to 19,526.13, 29,170.49 and 12,449.75 is: 18,598.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.13 : 29,170.49 = 12,449.75 : x
  2. Step 2: Convert to fraction form
    19,526.13/29,170.49 = 12,449.75/x
  3. Step 3: Cross multiply
    19,526.13x = 29,170.49 × 12,449.75
  4. Step 4: Simplify right side
    19,526.13x = 363,165,099.78
  5. Step 5: Solve for x
    x = 363,165,099.78/19,526.13
  6. Step 6: Final answer
    x = 18,598.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.