Home / 25,348.48-37,986-17,442.88

Finding the Fourth Proportional to 25,348.48, 37,986 and 17,442.88

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Solution

The fourth proportional to 25,348.48, 37,986 and 17,442.88 is: 26,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.48 : 37,986 = 17,442.88 : x
  2. Step 2: Convert to fraction form
    25,348.48/37,986 = 17,442.88/x
  3. Step 3: Cross multiply
    25,348.48x = 37,986 × 17,442.88
  4. Step 4: Simplify right side
    25,348.48x = 662,585,239.68
  5. Step 5: Solve for x
    x = 662,585,239.68/25,348.48
  6. Step 6: Final answer
    x = 26,139.05

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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.