Home / 15,178.18-22,654.88-14,243.26

Finding the Fourth Proportional to 15,178.18, 22,654.88 and 14,243.26

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Solution

The fourth proportional to 15,178.18, 22,654.88 and 14,243.26 is: 21,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.18 : 22,654.88 = 14,243.26 : x
  2. Step 2: Convert to fraction form
    15,178.18/22,654.88 = 14,243.26/x
  3. Step 3: Cross multiply
    15,178.18x = 22,654.88 × 14,243.26
  4. Step 4: Simplify right side
    15,178.18x = 322,679,346.11
  5. Step 5: Solve for x
    x = 322,679,346.11/15,178.18
  6. Step 6: Final answer
    x = 21,259.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.