Home / 20,966.01-28,932.69-11,534.58

Finding the Fourth Proportional to 20,966.01, 28,932.69 and 11,534.58

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Solution

The fourth proportional to 20,966.01, 28,932.69 and 11,534.58 is: 15,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966.01 : 28,932.69 = 11,534.58 : x
  2. Step 2: Convert to fraction form
    20,966.01/28,932.69 = 11,534.58/x
  3. Step 3: Cross multiply
    20,966.01x = 28,932.69 × 11,534.58
  4. Step 4: Simplify right side
    20,966.01x = 333,726,427.42
  5. Step 5: Solve for x
    x = 333,726,427.42/20,966.01
  6. Step 6: Final answer
    x = 15,917.50

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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.