Home / 15,615.92-23,425.52-5,086.76

Finding the Fourth Proportional to 15,615.92, 23,425.52 and 5,086.76

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Solution

The fourth proportional to 15,615.92, 23,425.52 and 5,086.76 is: 7,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.92 : 23,425.52 = 5,086.76 : x
  2. Step 2: Convert to fraction form
    15,615.92/23,425.52 = 5,086.76/x
  3. Step 3: Cross multiply
    15,615.92x = 23,425.52 × 5,086.76
  4. Step 4: Simplify right side
    15,615.92x = 119,159,998.12
  5. Step 5: Solve for x
    x = 119,159,998.12/15,615.92
  6. Step 6: Final answer
    x = 7,630.67

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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.