Home / 17,343.68-25,976.16-12,386.24

Finding the Fourth Proportional to 17,343.68, 25,976.16 and 12,386.24

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Solution

The fourth proportional to 17,343.68, 25,976.16 and 12,386.24 is: 18,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.68 : 25,976.16 = 12,386.24 : x
  2. Step 2: Convert to fraction form
    17,343.68/25,976.16 = 12,386.24/x
  3. Step 3: Cross multiply
    17,343.68x = 25,976.16 × 12,386.24
  4. Step 4: Simplify right side
    17,343.68x = 321,746,952.04
  5. Step 5: Solve for x
    x = 321,746,952.04/17,343.68
  6. Step 6: Final answer
    x = 18,551.25

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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.