Home / 15,869.52-23,806.71-4,774.75

Finding the Fourth Proportional to 15,869.52, 23,806.71 and 4,774.75

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Solution

The fourth proportional to 15,869.52, 23,806.71 and 4,774.75 is: 7,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.52 : 23,806.71 = 4,774.75 : x
  2. Step 2: Convert to fraction form
    15,869.52/23,806.71 = 4,774.75/x
  3. Step 3: Cross multiply
    15,869.52x = 23,806.71 × 4,774.75
  4. Step 4: Simplify right side
    15,869.52x = 113,671,029.06
  5. Step 5: Solve for x
    x = 113,671,029.06/15,869.52
  6. Step 6: Final answer
    x = 7,162.85

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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.