Home / 38,570.60-57,853.47-12,294.20

Finding the Fourth Proportional to 38,570.60, 57,853.47 and 12,294.20

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Solution

The fourth proportional to 38,570.60, 57,853.47 and 12,294.20 is: 18,440.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.60 : 57,853.47 = 12,294.20 : x
  2. Step 2: Convert to fraction form
    38,570.60/57,853.47 = 12,294.20/x
  3. Step 3: Cross multiply
    38,570.60x = 57,853.47 × 12,294.20
  4. Step 4: Simplify right side
    38,570.60x = 711,262,130.87
  5. Step 5: Solve for x
    x = 711,262,130.87/38,570.60
  6. Step 6: Final answer
    x = 18,440.53

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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.