Home / 25,403.40-35,044.56-16,909.44

Finding the Fourth Proportional to 25,403.40, 35,044.56 and 16,909.44

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Solution

The fourth proportional to 25,403.40, 35,044.56 and 16,909.44 is: 23,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.40 : 35,044.56 = 16,909.44 : x
  2. Step 2: Convert to fraction form
    25,403.40/35,044.56 = 16,909.44/x
  3. Step 3: Cross multiply
    25,403.40x = 35,044.56 × 16,909.44
  4. Step 4: Simplify right side
    25,403.40x = 592,583,884.65
  5. Step 5: Solve for x
    x = 592,583,884.65/25,403.40
  6. Step 6: Final answer
    x = 23,326.95

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1.5x scale

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.