Home / 27,913.44-38,520.26-15,337.92

Finding the Fourth Proportional to 27,913.44, 38,520.26 and 15,337.92

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Solution

The fourth proportional to 27,913.44, 38,520.26 and 15,337.92 is: 21,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.44 : 38,520.26 = 15,337.92 : x
  2. Step 2: Convert to fraction form
    27,913.44/38,520.26 = 15,337.92/x
  3. Step 3: Cross multiply
    27,913.44x = 38,520.26 × 15,337.92
  4. Step 4: Simplify right side
    27,913.44x = 590,820,666.26
  5. Step 5: Solve for x
    x = 590,820,666.26/27,913.44
  6. Step 6: Final answer
    x = 21,166.17

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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.