Home / 29,374.18-40,536.68-15,945.55

Finding the Fourth Proportional to 29,374.18, 40,536.68 and 15,945.55

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Solution

The fourth proportional to 29,374.18, 40,536.68 and 15,945.55 is: 22,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.18 : 40,536.68 = 15,945.55 : x
  2. Step 2: Convert to fraction form
    29,374.18/40,536.68 = 15,945.55/x
  3. Step 3: Cross multiply
    29,374.18x = 40,536.68 × 15,945.55
  4. Step 4: Simplify right side
    29,374.18x = 646,379,657.77
  5. Step 5: Solve for x
    x = 646,379,657.77/29,374.18
  6. Step 6: Final answer
    x = 22,005.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.