Home / 15,148.06-22,722.11-4,759.81

Finding the Fourth Proportional to 15,148.06, 22,722.11 and 4,759.81

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Solution

The fourth proportional to 15,148.06, 22,722.11 and 4,759.81 is: 7,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.06 : 22,722.11 = 4,759.81 : x
  2. Step 2: Convert to fraction form
    15,148.06/22,722.11 = 4,759.81/x
  3. Step 3: Cross multiply
    15,148.06x = 22,722.11 × 4,759.81
  4. Step 4: Simplify right side
    15,148.06x = 108,152,926.40
  5. Step 5: Solve for x
    x = 108,152,926.40/15,148.06
  6. Step 6: Final answer
    x = 7,139.72

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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.