Home / 15,708.56-23,557.80-6,943.28

Finding the Fourth Proportional to 15,708.56, 23,557.80 and 6,943.28

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Solution

The fourth proportional to 15,708.56, 23,557.80 and 6,943.28 is: 10,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.56 : 23,557.80 = 6,943.28 : x
  2. Step 2: Convert to fraction form
    15,708.56/23,557.80 = 6,943.28/x
  3. Step 3: Cross multiply
    15,708.56x = 23,557.80 × 6,943.28
  4. Step 4: Simplify right side
    15,708.56x = 163,568,401.58
  5. Step 5: Solve for x
    x = 163,568,401.58/15,708.56
  6. Step 6: Final answer
    x = 10,412.69

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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.