Home / 43,487.29-65,226.83-13,897.18

Finding the Fourth Proportional to 43,487.29, 65,226.83 and 13,897.18

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Solution

The fourth proportional to 43,487.29, 65,226.83 and 13,897.18 is: 20,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.29 : 65,226.83 = 13,897.18 : x
  2. Step 2: Convert to fraction form
    43,487.29/65,226.83 = 13,897.18/x
  3. Step 3: Cross multiply
    43,487.29x = 65,226.83 × 13,897.18
  4. Step 4: Simplify right side
    43,487.29x = 906,468,997.34
  5. Step 5: Solve for x
    x = 906,468,997.34/43,487.29
  6. Step 6: Final answer
    x = 20,844.46

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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.