Home / 55,597.50-83,404.89-18,670.14

Finding the Fourth Proportional to 55,597.50, 83,404.89 and 18,670.14

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Solution

The fourth proportional to 55,597.50, 83,404.89 and 18,670.14 is: 28,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.50 : 83,404.89 = 18,670.14 : x
  2. Step 2: Convert to fraction form
    55,597.50/83,404.89 = 18,670.14/x
  3. Step 3: Cross multiply
    55,597.50x = 83,404.89 × 18,670.14
  4. Step 4: Simplify right side
    55,597.50x = 1,557,180,972.98
  5. Step 5: Solve for x
    x = 1,557,180,972.98/55,597.50
  6. Step 6: Final answer
    x = 28,008.11

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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.