Home / 15,619.20-23,402.88-10,992.48

Finding the Fourth Proportional to 15,619.20, 23,402.88 and 10,992.48

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Solution

The fourth proportional to 15,619.20, 23,402.88 and 10,992.48 is: 16,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.20 : 23,402.88 = 10,992.48 : x
  2. Step 2: Convert to fraction form
    15,619.20/23,402.88 = 10,992.48/x
  3. Step 3: Cross multiply
    15,619.20x = 23,402.88 × 10,992.48
  4. Step 4: Simplify right side
    15,619.20x = 257,255,690.34
  5. Step 5: Solve for x
    x = 257,255,690.34/15,619.20
  6. Step 6: Final answer
    x = 16,470.48

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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.