Home / 25,701.96-35,467.98-15,630.66

Finding the Fourth Proportional to 25,701.96, 35,467.98 and 15,630.66

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Solution

The fourth proportional to 25,701.96, 35,467.98 and 15,630.66 is: 21,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.96 : 35,467.98 = 15,630.66 : x
  2. Step 2: Convert to fraction form
    25,701.96/35,467.98 = 15,630.66/x
  3. Step 3: Cross multiply
    25,701.96x = 35,467.98 × 15,630.66
  4. Step 4: Simplify right side
    25,701.96x = 554,387,936.27
  5. Step 5: Solve for x
    x = 554,387,936.27/25,701.96
  6. Step 6: Final answer
    x = 21,569.87

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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.