Home / 15,650.52-23,416.90-10,979.63

Finding the Fourth Proportional to 15,650.52, 23,416.90 and 10,979.63

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Solution

The fourth proportional to 15,650.52, 23,416.90 and 10,979.63 is: 16,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.52 : 23,416.90 = 10,979.63 : x
  2. Step 2: Convert to fraction form
    15,650.52/23,416.90 = 10,979.63/x
  3. Step 3: Cross multiply
    15,650.52x = 23,416.90 × 10,979.63
  4. Step 4: Simplify right side
    15,650.52x = 257,108,972.75
  5. Step 5: Solve for x
    x = 257,108,972.75/15,650.52
  6. Step 6: Final answer
    x = 16,428.15

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1.5x scale

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.