Home / 18,937.26-26,128.17-12,223.17

Finding the Fourth Proportional to 18,937.26, 26,128.17 and 12,223.17

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Solution

The fourth proportional to 18,937.26, 26,128.17 and 12,223.17 is: 16,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.26 : 26,128.17 = 12,223.17 : x
  2. Step 2: Convert to fraction form
    18,937.26/26,128.17 = 12,223.17/x
  3. Step 3: Cross multiply
    18,937.26x = 26,128.17 × 12,223.17
  4. Step 4: Simplify right side
    18,937.26x = 319,369,063.70
  5. Step 5: Solve for x
    x = 319,369,063.70/18,937.26
  6. Step 6: Final answer
    x = 16,864.59

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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.