Home / 25,338.78-37,999.90-10,543.72

Finding the Fourth Proportional to 25,338.78, 37,999.90 and 10,543.72

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Solution

The fourth proportional to 25,338.78, 37,999.90 and 10,543.72 is: 15,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.78 : 37,999.90 = 10,543.72 : x
  2. Step 2: Convert to fraction form
    25,338.78/37,999.90 = 10,543.72/x
  3. Step 3: Cross multiply
    25,338.78x = 37,999.90 × 10,543.72
  4. Step 4: Simplify right side
    25,338.78x = 400,660,305.63
  5. Step 5: Solve for x
    x = 400,660,305.63/25,338.78
  6. Step 6: Final answer
    x = 15,812.14

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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.