Home / 26,857.68-37,061.28-14,920.80

Finding the Fourth Proportional to 26,857.68, 37,061.28 and 14,920.80

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Solution

The fourth proportional to 26,857.68, 37,061.28 and 14,920.80 is: 20,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.68 : 37,061.28 = 14,920.80 : x
  2. Step 2: Convert to fraction form
    26,857.68/37,061.28 = 14,920.80/x
  3. Step 3: Cross multiply
    26,857.68x = 37,061.28 × 14,920.80
  4. Step 4: Simplify right side
    26,857.68x = 552,983,946.62
  5. Step 5: Solve for x
    x = 552,983,946.62/26,857.68
  6. Step 6: Final answer
    x = 20,589.42

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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.