Home / 13,733.12-20,587.52-6,613.76

Finding the Fourth Proportional to 13,733.12, 20,587.52 and 6,613.76

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Solution

The fourth proportional to 13,733.12, 20,587.52 and 6,613.76 is: 9,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.12 : 20,587.52 = 6,613.76 : x
  2. Step 2: Convert to fraction form
    13,733.12/20,587.52 = 6,613.76/x
  3. Step 3: Cross multiply
    13,733.12x = 20,587.52 × 6,613.76
  4. Step 4: Simplify right side
    13,733.12x = 136,160,916.28
  5. Step 5: Solve for x
    x = 136,160,916.28/13,733.12
  6. Step 6: Final answer
    x = 9,914.78

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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.