Home / 25,353.76-38,031.15-7,823.56

Finding the Fourth Proportional to 25,353.76, 38,031.15 and 7,823.56

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Solution

The fourth proportional to 25,353.76, 38,031.15 and 7,823.56 is: 11,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.76 : 38,031.15 = 7,823.56 : x
  2. Step 2: Convert to fraction form
    25,353.76/38,031.15 = 7,823.56/x
  3. Step 3: Cross multiply
    25,353.76x = 38,031.15 × 7,823.56
  4. Step 4: Simplify right side
    25,353.76x = 297,538,983.89
  5. Step 5: Solve for x
    x = 297,538,983.89/25,353.76
  6. Step 6: Final answer
    x = 11,735.50

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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.