Home / 37,113.60-55,675.80-12,147.60

Finding the Fourth Proportional to 37,113.60, 55,675.80 and 12,147.60

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Solution

The fourth proportional to 37,113.60, 55,675.80 and 12,147.60 is: 18,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,113.60 : 55,675.80 = 12,147.60 : x
  2. Step 2: Convert to fraction form
    37,113.60/55,675.80 = 12,147.60/x
  3. Step 3: Cross multiply
    37,113.60x = 55,675.80 × 12,147.60
  4. Step 4: Simplify right side
    37,113.60x = 676,327,348.08
  5. Step 5: Solve for x
    x = 676,327,348.08/37,113.60
  6. Step 6: Final answer
    x = 18,223.17

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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.