Home / 16,959.11-23,409.62-11,577.69

Finding the Fourth Proportional to 16,959.11, 23,409.62 and 11,577.69

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Solution

The fourth proportional to 16,959.11, 23,409.62 and 11,577.69 is: 15,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.11 : 23,409.62 = 11,577.69 : x
  2. Step 2: Convert to fraction form
    16,959.11/23,409.62 = 11,577.69/x
  3. Step 3: Cross multiply
    16,959.11x = 23,409.62 × 11,577.69
  4. Step 4: Simplify right side
    16,959.11x = 271,029,352.32
  5. Step 5: Solve for x
    x = 271,029,352.32/16,959.11
  6. Step 6: Final answer
    x = 15,981.35

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Half scale
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Double scale
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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.