Home / 15,342.12-23,013.18-4,811.76

Finding the Fourth Proportional to 15,342.12, 23,013.18 and 4,811.76

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Solution

The fourth proportional to 15,342.12, 23,013.18 and 4,811.76 is: 7,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.12 : 23,013.18 = 4,811.76 : x
  2. Step 2: Convert to fraction form
    15,342.12/23,013.18 = 4,811.76/x
  3. Step 3: Cross multiply
    15,342.12x = 23,013.18 × 4,811.76
  4. Step 4: Simplify right side
    15,342.12x = 110,733,899.00
  5. Step 5: Solve for x
    x = 110,733,899.00/15,342.12
  6. Step 6: Final answer
    x = 7,217.64

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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.