Home / 15,541.72-23,312.56-3,854.94

Finding the Fourth Proportional to 15,541.72, 23,312.56 and 3,854.94

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Solution

The fourth proportional to 15,541.72, 23,312.56 and 3,854.94 is: 5,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.72 : 23,312.56 = 3,854.94 : x
  2. Step 2: Convert to fraction form
    15,541.72/23,312.56 = 3,854.94/x
  3. Step 3: Cross multiply
    15,541.72x = 23,312.56 × 3,854.94
  4. Step 4: Simplify right side
    15,541.72x = 89,868,561.35
  5. Step 5: Solve for x
    x = 89,868,561.35/15,541.72
  6. Step 6: Final answer
    x = 5,782.41

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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.