Home / 22,729.18-34,099.14-7,146.81

Finding the Fourth Proportional to 22,729.18, 34,099.14 and 7,146.81

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Solution

The fourth proportional to 22,729.18, 34,099.14 and 7,146.81 is: 10,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.18 : 34,099.14 = 7,146.81 : x
  2. Step 2: Convert to fraction form
    22,729.18/34,099.14 = 7,146.81/x
  3. Step 3: Cross multiply
    22,729.18x = 34,099.14 × 7,146.81
  4. Step 4: Simplify right side
    22,729.18x = 243,700,074.74
  5. Step 5: Solve for x
    x = 243,700,074.74/22,729.18
  6. Step 6: Final answer
    x = 10,721.90

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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.