Home / 15,605.32-23,407.26-5,743.90

Finding the Fourth Proportional to 15,605.32, 23,407.26 and 5,743.90

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Solution

The fourth proportional to 15,605.32, 23,407.26 and 5,743.90 is: 8,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.32 : 23,407.26 = 5,743.90 : x
  2. Step 2: Convert to fraction form
    15,605.32/23,407.26 = 5,743.90/x
  3. Step 3: Cross multiply
    15,605.32x = 23,407.26 × 5,743.90
  4. Step 4: Simplify right side
    15,605.32x = 134,448,960.71
  5. Step 5: Solve for x
    x = 134,448,960.71/15,605.32
  6. Step 6: Final answer
    x = 8,615.58

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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.