Home / 15,418.90-23,128.41-3,732.10

Finding the Fourth Proportional to 15,418.90, 23,128.41 and 3,732.10

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Solution

The fourth proportional to 15,418.90, 23,128.41 and 3,732.10 is: 5,598.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.90 : 23,128.41 = 3,732.10 : x
  2. Step 2: Convert to fraction form
    15,418.90/23,128.41 = 3,732.10/x
  3. Step 3: Cross multiply
    15,418.90x = 23,128.41 × 3,732.10
  4. Step 4: Simplify right side
    15,418.90x = 86,317,404.66
  5. Step 5: Solve for x
    x = 86,317,404.66/15,418.90
  6. Step 6: Final answer
    x = 5,598.16

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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.