Home / 18,140.60-25,034.08-10,074.26

Finding the Fourth Proportional to 18,140.60, 25,034.08 and 10,074.26

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Solution

The fourth proportional to 18,140.60, 25,034.08 and 10,074.26 is: 13,902.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.60 : 25,034.08 = 10,074.26 : x
  2. Step 2: Convert to fraction form
    18,140.60/25,034.08 = 10,074.26/x
  3. Step 3: Cross multiply
    18,140.60x = 25,034.08 × 10,074.26
  4. Step 4: Simplify right side
    18,140.60x = 252,199,780.41
  5. Step 5: Solve for x
    x = 252,199,780.41/18,140.60
  6. Step 6: Final answer
    x = 13,902.50

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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.