Home / 36,170.90-54,259.95-12,475.32

Finding the Fourth Proportional to 36,170.90, 54,259.95 and 12,475.32

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Solution

The fourth proportional to 36,170.90, 54,259.95 and 12,475.32 is: 18,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.90 : 54,259.95 = 12,475.32 : x
  2. Step 2: Convert to fraction form
    36,170.90/54,259.95 = 12,475.32/x
  3. Step 3: Cross multiply
    36,170.90x = 54,259.95 × 12,475.32
  4. Step 4: Simplify right side
    36,170.90x = 676,910,239.43
  5. Step 5: Solve for x
    x = 676,910,239.43/36,170.90
  6. Step 6: Final answer
    x = 18,714.22

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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.