Home / 17,069.32-25,560.06-13,721.80

Finding the Fourth Proportional to 17,069.32, 25,560.06 and 13,721.80

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Solution

The fourth proportional to 17,069.32, 25,560.06 and 13,721.80 is: 20,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,069.32 : 25,560.06 = 13,721.80 : x
  2. Step 2: Convert to fraction form
    17,069.32/25,560.06 = 13,721.80/x
  3. Step 3: Cross multiply
    17,069.32x = 25,560.06 × 13,721.80
  4. Step 4: Simplify right side
    17,069.32x = 350,730,031.31
  5. Step 5: Solve for x
    x = 350,730,031.31/17,069.32
  6. Step 6: Final answer
    x = 20,547.39

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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.