Home / 18,557.38-25,609.18-10,173.70

Finding the Fourth Proportional to 18,557.38, 25,609.18 and 10,173.70

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Solution

The fourth proportional to 18,557.38, 25,609.18 and 10,173.70 is: 14,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.38 : 25,609.18 = 10,173.70 : x
  2. Step 2: Convert to fraction form
    18,557.38/25,609.18 = 10,173.70/x
  3. Step 3: Cross multiply
    18,557.38x = 25,609.18 × 10,173.70
  4. Step 4: Simplify right side
    18,557.38x = 260,539,986.52
  5. Step 5: Solve for x
    x = 260,539,986.52/18,557.38
  6. Step 6: Final answer
    x = 14,039.70

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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.