Home / 15,558.13-23,326.18-7,229.29

Finding the Fourth Proportional to 15,558.13, 23,326.18 and 7,229.29

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Solution

The fourth proportional to 15,558.13, 23,326.18 and 7,229.29 is: 10,838.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.13 : 23,326.18 = 7,229.29 : x
  2. Step 2: Convert to fraction form
    15,558.13/23,326.18 = 7,229.29/x
  3. Step 3: Cross multiply
    15,558.13x = 23,326.18 × 7,229.29
  4. Step 4: Simplify right side
    15,558.13x = 168,631,719.81
  5. Step 5: Solve for x
    x = 168,631,719.81/15,558.13
  6. Step 6: Final answer
    x = 10,838.82

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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.