Home / 18,423.80-27,641.53-6,577.31

Finding the Fourth Proportional to 18,423.80, 27,641.53 and 6,577.31

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Solution

The fourth proportional to 18,423.80, 27,641.53 and 6,577.31 is: 9,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.80 : 27,641.53 = 6,577.31 : x
  2. Step 2: Convert to fraction form
    18,423.80/27,641.53 = 6,577.31/x
  3. Step 3: Cross multiply
    18,423.80x = 27,641.53 × 6,577.31
  4. Step 4: Simplify right side
    18,423.80x = 181,806,929.77
  5. Step 5: Solve for x
    x = 181,806,929.77/18,423.80
  6. Step 6: Final answer
    x = 9,868.05

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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.