Home / 15,822.64-23,725.95-5,288.91

Finding the Fourth Proportional to 15,822.64, 23,725.95 and 5,288.91

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Solution

The fourth proportional to 15,822.64, 23,725.95 and 5,288.91 is: 7,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,822.64 : 23,725.95 = 5,288.91 : x
  2. Step 2: Convert to fraction form
    15,822.64/23,725.95 = 5,288.91/x
  3. Step 3: Cross multiply
    15,822.64x = 23,725.95 × 5,288.91
  4. Step 4: Simplify right side
    15,822.64x = 125,484,414.21
  5. Step 5: Solve for x
    x = 125,484,414.21/15,822.64
  6. Step 6: Final answer
    x = 7,930.69

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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.