Home / 19,860.48-29,763.84-7,541.76

Finding the Fourth Proportional to 19,860.48, 29,763.84 and 7,541.76

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Solution

The fourth proportional to 19,860.48, 29,763.84 and 7,541.76 is: 11,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.48 : 29,763.84 = 7,541.76 : x
  2. Step 2: Convert to fraction form
    19,860.48/29,763.84 = 7,541.76/x
  3. Step 3: Cross multiply
    19,860.48x = 29,763.84 × 7,541.76
  4. Step 4: Simplify right side
    19,860.48x = 224,471,737.96
  5. Step 5: Solve for x
    x = 224,471,737.96/19,860.48
  6. Step 6: Final answer
    x = 11,302.43

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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.