Home / 15,547.68-23,321.52-3,860.90

Finding the Fourth Proportional to 15,547.68, 23,321.52 and 3,860.90

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Solution

The fourth proportional to 15,547.68, 23,321.52 and 3,860.90 is: 5,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.68 : 23,321.52 = 3,860.90 : x
  2. Step 2: Convert to fraction form
    15,547.68/23,321.52 = 3,860.90/x
  3. Step 3: Cross multiply
    15,547.68x = 23,321.52 × 3,860.90
  4. Step 4: Simplify right side
    15,547.68x = 90,042,056.57
  5. Step 5: Solve for x
    x = 90,042,056.57/15,547.68
  6. Step 6: Final answer
    x = 5,791.35

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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.