Home / 14,248.97-19,663.25-7,875.28

Finding the Fourth Proportional to 14,248.97, 19,663.25 and 7,875.28

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Solution

The fourth proportional to 14,248.97, 19,663.25 and 7,875.28 is: 10,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.97 : 19,663.25 = 7,875.28 : x
  2. Step 2: Convert to fraction form
    14,248.97/19,663.25 = 7,875.28/x
  3. Step 3: Cross multiply
    14,248.97x = 19,663.25 × 7,875.28
  4. Step 4: Simplify right side
    14,248.97x = 154,853,599.46
  5. Step 5: Solve for x
    x = 154,853,599.46/14,248.97
  6. Step 6: Final answer
    x = 10,867.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.