Home / 13,452.51-20,152.17-9,225.39

Finding the Fourth Proportional to 13,452.51, 20,152.17 and 9,225.39

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Solution

The fourth proportional to 13,452.51, 20,152.17 and 9,225.39 is: 13,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.51 : 20,152.17 = 9,225.39 : x
  2. Step 2: Convert to fraction form
    13,452.51/20,152.17 = 9,225.39/x
  3. Step 3: Cross multiply
    13,452.51x = 20,152.17 × 9,225.39
  4. Step 4: Simplify right side
    13,452.51x = 185,911,627.60
  5. Step 5: Solve for x
    x = 185,911,627.60/13,452.51
  6. Step 6: Final answer
    x = 13,819.85

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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.