Home / 38,501.09-57,753.68-12,207.90

Finding the Fourth Proportional to 38,501.09, 57,753.68 and 12,207.90

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Solution

The fourth proportional to 38,501.09, 57,753.68 and 12,207.90 is: 18,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.09 : 57,753.68 = 12,207.90 : x
  2. Step 2: Convert to fraction form
    38,501.09/57,753.68 = 12,207.90/x
  3. Step 3: Cross multiply
    38,501.09x = 57,753.68 × 12,207.90
  4. Step 4: Simplify right side
    38,501.09x = 705,051,089.03
  5. Step 5: Solve for x
    x = 705,051,089.03/38,501.09
  6. Step 6: Final answer
    x = 18,312.50

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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.