Home / 25,177.60-37,780.98-10,383.76

Finding the Fourth Proportional to 25,177.60, 37,780.98 and 10,383.76

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Solution

The fourth proportional to 25,177.60, 37,780.98 and 10,383.76 is: 15,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.60 : 37,780.98 = 10,383.76 : x
  2. Step 2: Convert to fraction form
    25,177.60/37,780.98 = 10,383.76/x
  3. Step 3: Cross multiply
    25,177.60x = 37,780.98 × 10,383.76
  4. Step 4: Simplify right side
    25,177.60x = 392,308,628.88
  5. Step 5: Solve for x
    x = 392,308,628.88/25,177.60
  6. Step 6: Final answer
    x = 15,581.65

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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.