Home / 25,142.69-34,702.63-16,645.13

Finding the Fourth Proportional to 25,142.69, 34,702.63 and 16,645.13

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Solution

The fourth proportional to 25,142.69, 34,702.63 and 16,645.13 is: 22,974.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.69 : 34,702.63 = 16,645.13 : x
  2. Step 2: Convert to fraction form
    25,142.69/34,702.63 = 16,645.13/x
  3. Step 3: Cross multiply
    25,142.69x = 34,702.63 × 16,645.13
  4. Step 4: Simplify right side
    25,142.69x = 577,629,702.70
  5. Step 5: Solve for x
    x = 577,629,702.70/25,142.69
  6. Step 6: Final answer
    x = 22,974.06

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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.