Home / 38,501.52-57,753.84-12,205.68

Finding the Fourth Proportional to 38,501.52, 57,753.84 and 12,205.68

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Solution

The fourth proportional to 38,501.52, 57,753.84 and 12,205.68 is: 18,309.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.52 : 57,753.84 = 12,205.68 : x
  2. Step 2: Convert to fraction form
    38,501.52/57,753.84 = 12,205.68/x
  3. Step 3: Cross multiply
    38,501.52x = 57,753.84 × 12,205.68
  4. Step 4: Simplify right side
    38,501.52x = 704,924,889.81
  5. Step 5: Solve for x
    x = 704,924,889.81/38,501.52
  6. Step 6: Final answer
    x = 18,309.01

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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.