Home / 16,887.12-23,313.11-10,515.66

Finding the Fourth Proportional to 16,887.12, 23,313.11 and 10,515.66

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Solution

The fourth proportional to 16,887.12, 23,313.11 and 10,515.66 is: 14,517.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.12 : 23,313.11 = 10,515.66 : x
  2. Step 2: Convert to fraction form
    16,887.12/23,313.11 = 10,515.66/x
  3. Step 3: Cross multiply
    16,887.12x = 23,313.11 × 10,515.66
  4. Step 4: Simplify right side
    16,887.12x = 245,152,738.30
  5. Step 5: Solve for x
    x = 245,152,738.30/16,887.12
  6. Step 6: Final answer
    x = 14,517.14

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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.