Home / 38,588.02-57,886.18-12,286.62

Finding the Fourth Proportional to 38,588.02, 57,886.18 and 12,286.62

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Solution

The fourth proportional to 38,588.02, 57,886.18 and 12,286.62 is: 18,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.02 : 57,886.18 = 12,286.62 : x
  2. Step 2: Convert to fraction form
    38,588.02/57,886.18 = 12,286.62/x
  3. Step 3: Cross multiply
    38,588.02x = 57,886.18 × 12,286.62
  4. Step 4: Simplify right side
    38,588.02x = 711,225,496.91
  5. Step 5: Solve for x
    x = 711,225,496.91/38,588.02
  6. Step 6: Final answer
    x = 18,431.25

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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.