Home / 14,264.89-19,686.28-8,216.04

Finding the Fourth Proportional to 14,264.89, 19,686.28 and 8,216.04

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Solution

The fourth proportional to 14,264.89, 19,686.28 and 8,216.04 is: 11,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.89 : 19,686.28 = 8,216.04 : x
  2. Step 2: Convert to fraction form
    14,264.89/19,686.28 = 8,216.04/x
  3. Step 3: Cross multiply
    14,264.89x = 19,686.28 × 8,216.04
  4. Step 4: Simplify right side
    14,264.89x = 161,743,263.93
  5. Step 5: Solve for x
    x = 161,743,263.93/14,264.89
  6. Step 6: Final answer
    x = 11,338.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.