Home / 15,743.71-23,618.12-4,651.51

Finding the Fourth Proportional to 15,743.71, 23,618.12 and 4,651.51

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Solution

The fourth proportional to 15,743.71, 23,618.12 and 4,651.51 is: 6,978.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.71 : 23,618.12 = 4,651.51 : x
  2. Step 2: Convert to fraction form
    15,743.71/23,618.12 = 4,651.51/x
  3. Step 3: Cross multiply
    15,743.71x = 23,618.12 × 4,651.51
  4. Step 4: Simplify right side
    15,743.71x = 109,859,921.36
  5. Step 5: Solve for x
    x = 109,859,921.36/15,743.71
  6. Step 6: Final answer
    x = 6,978.02

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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.