Home / 38,381.96-57,574.98-12,088.76

Finding the Fourth Proportional to 38,381.96, 57,574.98 and 12,088.76

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Solution

The fourth proportional to 38,381.96, 57,574.98 and 12,088.76 is: 18,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,381.96 : 57,574.98 = 12,088.76 : x
  2. Step 2: Convert to fraction form
    38,381.96/57,574.98 = 12,088.76/x
  3. Step 3: Cross multiply
    38,381.96x = 57,574.98 × 12,088.76
  4. Step 4: Simplify right side
    38,381.96x = 696,010,115.22
  5. Step 5: Solve for x
    x = 696,010,115.22/38,381.96
  6. Step 6: Final answer
    x = 18,133.78

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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.