Home / 18,070.66-24,938.55-10,112.80

Finding the Fourth Proportional to 18,070.66, 24,938.55 and 10,112.80

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Solution

The fourth proportional to 18,070.66, 24,938.55 and 10,112.80 is: 13,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.66 : 24,938.55 = 10,112.80 : x
  2. Step 2: Convert to fraction form
    18,070.66/24,938.55 = 10,112.80/x
  3. Step 3: Cross multiply
    18,070.66x = 24,938.55 × 10,112.80
  4. Step 4: Simplify right side
    18,070.66x = 252,198,568.44
  5. Step 5: Solve for x
    x = 252,198,568.44/18,070.66
  6. Step 6: Final answer
    x = 13,956.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.