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Finding the Fourth Proportional to 15,232.66, 21,023.02 and 8,518.66

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Solution

The fourth proportional to 15,232.66, 21,023.02 and 8,518.66 is: 11,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.66 : 21,023.02 = 8,518.66 : x
  2. Step 2: Convert to fraction form
    15,232.66/21,023.02 = 8,518.66/x
  3. Step 3: Cross multiply
    15,232.66x = 21,023.02 × 8,518.66
  4. Step 4: Simplify right side
    15,232.66x = 179,087,917.64
  5. Step 5: Solve for x
    x = 179,087,917.64/15,232.66
  6. Step 6: Final answer
    x = 11,756.84

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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.