Home / 38,355.23-57,546.66-13,398.95

Finding the Fourth Proportional to 38,355.23, 57,546.66 and 13,398.95

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Solution

The fourth proportional to 38,355.23, 57,546.66 and 13,398.95 is: 20,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,355.23 : 57,546.66 = 13,398.95 : x
  2. Step 2: Convert to fraction form
    38,355.23/57,546.66 = 13,398.95/x
  3. Step 3: Cross multiply
    38,355.23x = 57,546.66 × 13,398.95
  4. Step 4: Simplify right side
    38,355.23x = 771,064,820.01
  5. Step 5: Solve for x
    x = 771,064,820.01/38,355.23
  6. Step 6: Final answer
    x = 20,103.25

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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.