Home / 27,125.38-40,710.14-13,981.51

Finding the Fourth Proportional to 27,125.38, 40,710.14 and 13,981.51

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Solution

The fourth proportional to 27,125.38, 40,710.14 and 13,981.51 is: 20,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.38 : 40,710.14 = 13,981.51 : x
  2. Step 2: Convert to fraction form
    27,125.38/40,710.14 = 13,981.51/x
  3. Step 3: Cross multiply
    27,125.38x = 40,710.14 × 13,981.51
  4. Step 4: Simplify right side
    27,125.38x = 569,188,956.05
  5. Step 5: Solve for x
    x = 569,188,956.05/27,125.38
  6. Step 6: Final answer
    x = 20,983.63

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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.