Home / 15,981.76-22,023.66-11,497.60

Finding the Fourth Proportional to 15,981.76, 22,023.66 and 11,497.60

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Solution

The fourth proportional to 15,981.76, 22,023.66 and 11,497.60 is: 15,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.76 : 22,023.66 = 11,497.60 : x
  2. Step 2: Convert to fraction form
    15,981.76/22,023.66 = 11,497.60/x
  3. Step 3: Cross multiply
    15,981.76x = 22,023.66 × 11,497.60
  4. Step 4: Simplify right side
    15,981.76x = 253,219,233.22
  5. Step 5: Solve for x
    x = 253,219,233.22/15,981.76
  6. Step 6: Final answer
    x = 15,844.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.