Home / 13,335.48-20,003.15-5,437.97

Finding the Fourth Proportional to 13,335.48, 20,003.15 and 5,437.97

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Solution

The fourth proportional to 13,335.48, 20,003.15 and 5,437.97 is: 8,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.48 : 20,003.15 = 5,437.97 : x
  2. Step 2: Convert to fraction form
    13,335.48/20,003.15 = 5,437.97/x
  3. Step 3: Cross multiply
    13,335.48x = 20,003.15 × 5,437.97
  4. Step 4: Simplify right side
    13,335.48x = 108,776,402.40
  5. Step 5: Solve for x
    x = 108,776,402.40/13,335.48
  6. Step 6: Final answer
    x = 8,156.92

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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.