Home / 25,740.72-35,515.40-16,182.05

Finding the Fourth Proportional to 25,740.72, 35,515.40 and 16,182.05

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Solution

The fourth proportional to 25,740.72, 35,515.40 and 16,182.05 is: 22,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.72 : 35,515.40 = 16,182.05 : x
  2. Step 2: Convert to fraction form
    25,740.72/35,515.40 = 16,182.05/x
  3. Step 3: Cross multiply
    25,740.72x = 35,515.40 × 16,182.05
  4. Step 4: Simplify right side
    25,740.72x = 574,711,720.08
  5. Step 5: Solve for x
    x = 574,711,720.08/25,740.72
  6. Step 6: Final answer
    x = 22,326.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.