Home / 16,726.98-25,108.65-12,578.88

Finding the Fourth Proportional to 16,726.98, 25,108.65 and 12,578.88

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Solution

The fourth proportional to 16,726.98, 25,108.65 and 12,578.88 is: 18,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.98 : 25,108.65 = 12,578.88 : x
  2. Step 2: Convert to fraction form
    16,726.98/25,108.65 = 12,578.88/x
  3. Step 3: Cross multiply
    16,726.98x = 25,108.65 × 12,578.88
  4. Step 4: Simplify right side
    16,726.98x = 315,838,695.31
  5. Step 5: Solve for x
    x = 315,838,695.31/16,726.98
  6. Step 6: Final answer
    x = 18,881.99

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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.