Home / 24,138.90-33,312.96-13,531.92

Finding the Fourth Proportional to 24,138.90, 33,312.96 and 13,531.92

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Solution

The fourth proportional to 24,138.90, 33,312.96 and 13,531.92 is: 18,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.90 : 33,312.96 = 13,531.92 : x
  2. Step 2: Convert to fraction form
    24,138.90/33,312.96 = 13,531.92/x
  3. Step 3: Cross multiply
    24,138.90x = 33,312.96 × 13,531.92
  4. Step 4: Simplify right side
    24,138.90x = 450,788,309.68
  5. Step 5: Solve for x
    x = 450,788,309.68/24,138.90
  6. Step 6: Final answer
    x = 18,674.77

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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.