Home / 15,909.24-21,964.84-10,246.16

Finding the Fourth Proportional to 15,909.24, 21,964.84 and 10,246.16

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Solution

The fourth proportional to 15,909.24, 21,964.84 and 10,246.16 is: 14,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.24 : 21,964.84 = 10,246.16 : x
  2. Step 2: Convert to fraction form
    15,909.24/21,964.84 = 10,246.16/x
  3. Step 3: Cross multiply
    15,909.24x = 21,964.84 × 10,246.16
  4. Step 4: Simplify right side
    15,909.24x = 225,055,265.01
  5. Step 5: Solve for x
    x = 225,055,265.01/15,909.24
  6. Step 6: Final answer
    x = 14,146.20

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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.