Home / 25,888.71-38,657.44-20,563.77

Finding the Fourth Proportional to 25,888.71, 38,657.44 and 20,563.77

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Solution

The fourth proportional to 25,888.71, 38,657.44 and 20,563.77 is: 30,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.71 : 38,657.44 = 20,563.77 : x
  2. Step 2: Convert to fraction form
    25,888.71/38,657.44 = 20,563.77/x
  3. Step 3: Cross multiply
    25,888.71x = 38,657.44 × 20,563.77
  4. Step 4: Simplify right side
    25,888.71x = 794,942,704.95
  5. Step 5: Solve for x
    x = 794,942,704.95/25,888.71
  6. Step 6: Final answer
    x = 30,706.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.