Home / 27,208.47-40,821.52-13,347.75

Finding the Fourth Proportional to 27,208.47, 40,821.52 and 13,347.75

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Solution

The fourth proportional to 27,208.47, 40,821.52 and 13,347.75 is: 20,025.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,208.47 : 40,821.52 = 13,347.75 : x
  2. Step 2: Convert to fraction form
    27,208.47/40,821.52 = 13,347.75/x
  3. Step 3: Cross multiply
    27,208.47x = 40,821.52 × 13,347.75
  4. Step 4: Simplify right side
    27,208.47x = 544,875,443.58
  5. Step 5: Solve for x
    x = 544,875,443.58/27,208.47
  6. Step 6: Final answer
    x = 20,025.95

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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.