Home / 38,795.22-58,195.14-12,146.20

Finding the Fourth Proportional to 38,795.22, 58,195.14 and 12,146.20

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Solution

The fourth proportional to 38,795.22, 58,195.14 and 12,146.20 is: 18,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,795.22 : 58,195.14 = 12,146.20 : x
  2. Step 2: Convert to fraction form
    38,795.22/58,195.14 = 12,146.20/x
  3. Step 3: Cross multiply
    38,795.22x = 58,195.14 × 12,146.20
  4. Step 4: Simplify right side
    38,795.22x = 706,849,809.47
  5. Step 5: Solve for x
    x = 706,849,809.47/38,795.22
  6. Step 6: Final answer
    x = 18,220.02

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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.