Home / 25,737.94-38,539.27-20,713.60

Finding the Fourth Proportional to 25,737.94, 38,539.27 and 20,713.60

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Solution

The fourth proportional to 25,737.94, 38,539.27 and 20,713.60 is: 31,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,737.94 : 38,539.27 = 20,713.60 : x
  2. Step 2: Convert to fraction form
    25,737.94/38,539.27 = 20,713.60/x
  3. Step 3: Cross multiply
    25,737.94x = 38,539.27 × 20,713.60
  4. Step 4: Simplify right side
    25,737.94x = 798,287,023.07
  5. Step 5: Solve for x
    x = 798,287,023.07/25,737.94
  6. Step 6: Final answer
    x = 31,015.96

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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.