Home / 22,729.36-34,099.40-7,146.98

Finding the Fourth Proportional to 22,729.36, 34,099.40 and 7,146.98

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Solution

The fourth proportional to 22,729.36, 34,099.40 and 7,146.98 is: 10,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.36 : 34,099.40 = 7,146.98 : x
  2. Step 2: Convert to fraction form
    22,729.36/34,099.40 = 7,146.98/x
  3. Step 3: Cross multiply
    22,729.36x = 34,099.40 × 7,146.98
  4. Step 4: Simplify right side
    22,729.36x = 243,707,815.06
  5. Step 5: Solve for x
    x = 243,707,815.06/22,729.36
  6. Step 6: Final answer
    x = 10,722.16

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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.