Home / 26,445.15-39,631.68-13,306.55

Finding the Fourth Proportional to 26,445.15, 39,631.68 and 13,306.55

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Solution

The fourth proportional to 26,445.15, 39,631.68 and 13,306.55 is: 19,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.15 : 39,631.68 = 13,306.55 : x
  2. Step 2: Convert to fraction form
    26,445.15/39,631.68 = 13,306.55/x
  3. Step 3: Cross multiply
    26,445.15x = 39,631.68 × 13,306.55
  4. Step 4: Simplify right side
    26,445.15x = 527,360,733.35
  5. Step 5: Solve for x
    x = 527,360,733.35/26,445.15
  6. Step 6: Final answer
    x = 19,941.68

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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.