Home / 14,165.51-21,248.25-6,747.47

Finding the Fourth Proportional to 14,165.51, 21,248.25 and 6,747.47

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Solution

The fourth proportional to 14,165.51, 21,248.25 and 6,747.47 is: 10,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.51 : 21,248.25 = 6,747.47 : x
  2. Step 2: Convert to fraction form
    14,165.51/21,248.25 = 6,747.47/x
  3. Step 3: Cross multiply
    14,165.51x = 21,248.25 × 6,747.47
  4. Step 4: Simplify right side
    14,165.51x = 143,371,929.43
  5. Step 5: Solve for x
    x = 143,371,929.43/14,165.51
  6. Step 6: Final answer
    x = 10,121.20

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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.