Home / 55,627.11-83,459.30-18,188.91

Finding the Fourth Proportional to 55,627.11, 83,459.30 and 18,188.91

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Solution

The fourth proportional to 55,627.11, 83,459.30 and 18,188.91 is: 27,289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.11 : 83,459.30 = 18,188.91 : x
  2. Step 2: Convert to fraction form
    55,627.11/83,459.30 = 18,188.91/x
  3. Step 3: Cross multiply
    55,627.11x = 83,459.30 × 18,188.91
  4. Step 4: Simplify right side
    55,627.11x = 1,518,033,605.42
  5. Step 5: Solve for x
    x = 1,518,033,605.42/55,627.11
  6. Step 6: Final answer
    x = 27,289.46

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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.