Home / 14,987.16-22,478.49-9,423.54

Finding the Fourth Proportional to 14,987.16, 22,478.49 and 9,423.54

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Solution

The fourth proportional to 14,987.16, 22,478.49 and 9,423.54 is: 14,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.16 : 22,478.49 = 9,423.54 : x
  2. Step 2: Convert to fraction form
    14,987.16/22,478.49 = 9,423.54/x
  3. Step 3: Cross multiply
    14,987.16x = 22,478.49 × 9,423.54
  4. Step 4: Simplify right side
    14,987.16x = 211,826,949.65
  5. Step 5: Solve for x
    x = 211,826,949.65/14,987.16
  6. Step 6: Final answer
    x = 14,133.90

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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.