Home / 25,701.94-38,608.55-21,761.22

Finding the Fourth Proportional to 25,701.94, 38,608.55 and 21,761.22

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Solution

The fourth proportional to 25,701.94, 38,608.55 and 21,761.22 is: 32,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.94 : 38,608.55 = 21,761.22 : x
  2. Step 2: Convert to fraction form
    25,701.94/38,608.55 = 21,761.22/x
  3. Step 3: Cross multiply
    25,701.94x = 38,608.55 × 21,761.22
  4. Step 4: Simplify right side
    25,701.94x = 840,169,268.01
  5. Step 5: Solve for x
    x = 840,169,268.01/25,701.94
  6. Step 6: Final answer
    x = 32,688.94

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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.