Home / 27,623.57-38,117.67-15,522.13

Finding the Fourth Proportional to 27,623.57, 38,117.67 and 15,522.13

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Solution

The fourth proportional to 27,623.57, 38,117.67 and 15,522.13 is: 21,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,623.57 : 38,117.67 = 15,522.13 : x
  2. Step 2: Convert to fraction form
    27,623.57/38,117.67 = 15,522.13/x
  3. Step 3: Cross multiply
    27,623.57x = 38,117.67 × 15,522.13
  4. Step 4: Simplify right side
    27,623.57x = 591,667,429.04
  5. Step 5: Solve for x
    x = 591,667,429.04/27,623.57
  6. Step 6: Final answer
    x = 21,418.93

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Half scale
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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.