Home / 13,154.44-19,726.80-5,359

Finding the Fourth Proportional to 13,154.44, 19,726.80 and 5,359

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Solution

The fourth proportional to 13,154.44, 19,726.80 and 5,359 is: 8,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.44 : 19,726.80 = 5,359 : x
  2. Step 2: Convert to fraction form
    13,154.44/19,726.80 = 5,359/x
  3. Step 3: Cross multiply
    13,154.44x = 19,726.80 × 5,359
  4. Step 4: Simplify right side
    13,154.44x = 105,715,921.20
  5. Step 5: Solve for x
    x = 105,715,921.20/13,154.44
  6. Step 6: Final answer
    x = 8,036.52

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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.