Home / 25,319.88-37,982.85-10,538.79

Finding the Fourth Proportional to 25,319.88, 37,982.85 and 10,538.79

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Solution

The fourth proportional to 25,319.88, 37,982.85 and 10,538.79 is: 15,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.88 : 37,982.85 = 10,538.79 : x
  2. Step 2: Convert to fraction form
    25,319.88/37,982.85 = 10,538.79/x
  3. Step 3: Cross multiply
    25,319.88x = 37,982.85 × 10,538.79
  4. Step 4: Simplify right side
    25,319.88x = 400,293,279.75
  5. Step 5: Solve for x
    x = 400,293,279.75/25,319.88
  6. Step 6: Final answer
    x = 15,809.45

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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.