Home / 13,254.34-19,868.55-5,468.74

Finding the Fourth Proportional to 13,254.34, 19,868.55 and 5,468.74

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Solution

The fourth proportional to 13,254.34, 19,868.55 and 5,468.74 is: 8,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.34 : 19,868.55 = 5,468.74 : x
  2. Step 2: Convert to fraction form
    13,254.34/19,868.55 = 5,468.74/x
  3. Step 3: Cross multiply
    13,254.34x = 19,868.55 × 5,468.74
  4. Step 4: Simplify right side
    13,254.34x = 108,655,934.13
  5. Step 5: Solve for x
    x = 108,655,934.13/13,254.34
  6. Step 6: Final answer
    x = 8,197.76

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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.