Home / 25,531.60-38,296.12-8,886.48

Finding the Fourth Proportional to 25,531.60, 38,296.12 and 8,886.48

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Solution

The fourth proportional to 25,531.60, 38,296.12 and 8,886.48 is: 13,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.60 : 38,296.12 = 8,886.48 : x
  2. Step 2: Convert to fraction form
    25,531.60/38,296.12 = 8,886.48/x
  3. Step 3: Cross multiply
    25,531.60x = 38,296.12 × 8,886.48
  4. Step 4: Simplify right side
    25,531.60x = 340,317,704.46
  5. Step 5: Solve for x
    x = 340,317,704.46/25,531.60
  6. Step 6: Final answer
    x = 13,329.27

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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.