Home / 27,726.15-38,262.10-14,979.33

Finding the Fourth Proportional to 27,726.15, 38,262.10 and 14,979.33

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Solution

The fourth proportional to 27,726.15, 38,262.10 and 14,979.33 is: 20,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.15 : 38,262.10 = 14,979.33 : x
  2. Step 2: Convert to fraction form
    27,726.15/38,262.10 = 14,979.33/x
  3. Step 3: Cross multiply
    27,726.15x = 38,262.10 × 14,979.33
  4. Step 4: Simplify right side
    27,726.15x = 573,140,622.39
  5. Step 5: Solve for x
    x = 573,140,622.39/27,726.15
  6. Step 6: Final answer
    x = 20,671.48

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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.