Home / 27,432.45-37,863.18-19,477.17

Finding the Fourth Proportional to 27,432.45, 37,863.18 and 19,477.17

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Solution

The fourth proportional to 27,432.45, 37,863.18 and 19,477.17 is: 26,883.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.45 : 37,863.18 = 19,477.17 : x
  2. Step 2: Convert to fraction form
    27,432.45/37,863.18 = 19,477.17/x
  3. Step 3: Cross multiply
    27,432.45x = 37,863.18 × 19,477.17
  4. Step 4: Simplify right side
    27,432.45x = 737,467,593.60
  5. Step 5: Solve for x
    x = 737,467,593.60/27,432.45
  6. Step 6: Final answer
    x = 26,883.04

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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.