Home / 22,921.18-34,386.63-7,125.82

Finding the Fourth Proportional to 22,921.18, 34,386.63 and 7,125.82

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Solution

The fourth proportional to 22,921.18, 34,386.63 and 7,125.82 is: 10,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.18 : 34,386.63 = 7,125.82 : x
  2. Step 2: Convert to fraction form
    22,921.18/34,386.63 = 7,125.82/x
  3. Step 3: Cross multiply
    22,921.18x = 34,386.63 × 7,125.82
  4. Step 4: Simplify right side
    22,921.18x = 245,032,935.79
  5. Step 5: Solve for x
    x = 245,032,935.79/22,921.18
  6. Step 6: Final answer
    x = 10,690.24

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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.