Home / 22,715.28-34,030.06-11,629

Finding the Fourth Proportional to 22,715.28, 34,030.06 and 11,629

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Solution

The fourth proportional to 22,715.28, 34,030.06 and 11,629 is: 17,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.28 : 34,030.06 = 11,629 : x
  2. Step 2: Convert to fraction form
    22,715.28/34,030.06 = 11,629/x
  3. Step 3: Cross multiply
    22,715.28x = 34,030.06 × 11,629
  4. Step 4: Simplify right side
    22,715.28x = 395,735,567.74
  5. Step 5: Solve for x
    x = 395,735,567.74/22,715.28
  6. Step 6: Final answer
    x = 17,421.56

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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.