Home / 14,451.20-21,676.80-5,681.32

Finding the Fourth Proportional to 14,451.20, 21,676.80 and 5,681.32

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Solution

The fourth proportional to 14,451.20, 21,676.80 and 5,681.32 is: 8,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.20 : 21,676.80 = 5,681.32 : x
  2. Step 2: Convert to fraction form
    14,451.20/21,676.80 = 5,681.32/x
  3. Step 3: Cross multiply
    14,451.20x = 21,676.80 × 5,681.32
  4. Step 4: Simplify right side
    14,451.20x = 123,152,837.38
  5. Step 5: Solve for x
    x = 123,152,837.38/14,451.20
  6. Step 6: Final answer
    x = 8,521.98

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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.