Home / 21,862.12-32,789.51-6,068.75

Finding the Fourth Proportional to 21,862.12, 32,789.51 and 6,068.75

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Solution

The fourth proportional to 21,862.12, 32,789.51 and 6,068.75 is: 9,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.12 : 32,789.51 = 6,068.75 : x
  2. Step 2: Convert to fraction form
    21,862.12/32,789.51 = 6,068.75/x
  3. Step 3: Cross multiply
    21,862.12x = 32,789.51 × 6,068.75
  4. Step 4: Simplify right side
    21,862.12x = 198,991,338.81
  5. Step 5: Solve for x
    x = 198,991,338.81/21,862.12
  6. Step 6: Final answer
    x = 9,102.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.