Home / 25,700.83-38,520.39-13,226.74

Finding the Fourth Proportional to 25,700.83, 38,520.39 and 13,226.74

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Solution

The fourth proportional to 25,700.83, 38,520.39 and 13,226.74 is: 19,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.83 : 38,520.39 = 13,226.74 : x
  2. Step 2: Convert to fraction form
    25,700.83/38,520.39 = 13,226.74/x
  3. Step 3: Cross multiply
    25,700.83x = 38,520.39 × 13,226.74
  4. Step 4: Simplify right side
    25,700.83x = 509,498,990.63
  5. Step 5: Solve for x
    x = 509,498,990.63/25,700.83
  6. Step 6: Final answer
    x = 19,824.23

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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.