Home / 42,195.06-63,292.86-12,610.08

Finding the Fourth Proportional to 42,195.06, 63,292.86 and 12,610.08

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Solution

The fourth proportional to 42,195.06, 63,292.86 and 12,610.08 is: 18,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.06 : 63,292.86 = 12,610.08 : x
  2. Step 2: Convert to fraction form
    42,195.06/63,292.86 = 12,610.08/x
  3. Step 3: Cross multiply
    42,195.06x = 63,292.86 × 12,610.08
  4. Step 4: Simplify right side
    42,195.06x = 798,128,028.03
  5. Step 5: Solve for x
    x = 798,128,028.03/42,195.06
  6. Step 6: Final answer
    x = 18,915.20

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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.