Home / 14,176.44-21,223.65-10,681.20

Finding the Fourth Proportional to 14,176.44, 21,223.65 and 10,681.20

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Solution

The fourth proportional to 14,176.44, 21,223.65 and 10,681.20 is: 15,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.44 : 21,223.65 = 10,681.20 : x
  2. Step 2: Convert to fraction form
    14,176.44/21,223.65 = 10,681.20/x
  3. Step 3: Cross multiply
    14,176.44x = 21,223.65 × 10,681.20
  4. Step 4: Simplify right side
    14,176.44x = 226,694,050.38
  5. Step 5: Solve for x
    x = 226,694,050.38/14,176.44
  6. Step 6: Final answer
    x = 15,990.90

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1.5x scale

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.