Home / 14,165.06-21,251.69-5,400.66

Finding the Fourth Proportional to 14,165.06, 21,251.69 and 5,400.66

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Solution

The fourth proportional to 14,165.06, 21,251.69 and 5,400.66 is: 8,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.06 : 21,251.69 = 5,400.66 : x
  2. Step 2: Convert to fraction form
    14,165.06/21,251.69 = 5,400.66/x
  3. Step 3: Cross multiply
    14,165.06x = 21,251.69 × 5,400.66
  4. Step 4: Simplify right side
    14,165.06x = 114,773,125.11
  5. Step 5: Solve for x
    x = 114,773,125.11/14,165.06
  6. Step 6: Final answer
    x = 8,102.55

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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.