Home / 15,849.68-23,740.80-12,874.14

Finding the Fourth Proportional to 15,849.68, 23,740.80 and 12,874.14

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Solution

The fourth proportional to 15,849.68, 23,740.80 and 12,874.14 is: 19,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.68 : 23,740.80 = 12,874.14 : x
  2. Step 2: Convert to fraction form
    15,849.68/23,740.80 = 12,874.14/x
  3. Step 3: Cross multiply
    15,849.68x = 23,740.80 × 12,874.14
  4. Step 4: Simplify right side
    15,849.68x = 305,642,437.61
  5. Step 5: Solve for x
    x = 305,642,437.61/15,849.68
  6. Step 6: Final answer
    x = 19,283.83

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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.