Home / 15,432.63-23,147.19-4,339.77

Finding the Fourth Proportional to 15,432.63, 23,147.19 and 4,339.77

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Solution

The fourth proportional to 15,432.63, 23,147.19 and 4,339.77 is: 6,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.63 : 23,147.19 = 4,339.77 : x
  2. Step 2: Convert to fraction form
    15,432.63/23,147.19 = 4,339.77/x
  3. Step 3: Cross multiply
    15,432.63x = 23,147.19 × 4,339.77
  4. Step 4: Simplify right side
    15,432.63x = 100,453,480.75
  5. Step 5: Solve for x
    x = 100,453,480.75/15,432.63
  6. Step 6: Final answer
    x = 6,509.16

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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.