Home / 27,480.24-37,922.84-14,905.20

Finding the Fourth Proportional to 27,480.24, 37,922.84 and 14,905.20

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Solution

The fourth proportional to 27,480.24, 37,922.84 and 14,905.20 is: 20,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.24 : 37,922.84 = 14,905.20 : x
  2. Step 2: Convert to fraction form
    27,480.24/37,922.84 = 14,905.20/x
  3. Step 3: Cross multiply
    27,480.24x = 37,922.84 × 14,905.20
  4. Step 4: Simplify right side
    27,480.24x = 565,247,514.77
  5. Step 5: Solve for x
    x = 565,247,514.77/27,480.24
  6. Step 6: Final answer
    x = 20,569.24

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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.