Home / 15,815.52-23,725.51-4,725.61

Finding the Fourth Proportional to 15,815.52, 23,725.51 and 4,725.61

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Solution

The fourth proportional to 15,815.52, 23,725.51 and 4,725.61 is: 7,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.52 : 23,725.51 = 4,725.61 : x
  2. Step 2: Convert to fraction form
    15,815.52/23,725.51 = 4,725.61/x
  3. Step 3: Cross multiply
    15,815.52x = 23,725.51 × 4,725.61
  4. Step 4: Simplify right side
    15,815.52x = 112,117,436.18
  5. Step 5: Solve for x
    x = 112,117,436.18/15,815.52
  6. Step 6: Final answer
    x = 7,089.08

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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.