Home / 27,591.20-41,386.80-10,955.20

Finding the Fourth Proportional to 27,591.20, 41,386.80 and 10,955.20

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Solution

The fourth proportional to 27,591.20, 41,386.80 and 10,955.20 is: 16,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.20 : 41,386.80 = 10,955.20 : x
  2. Step 2: Convert to fraction form
    27,591.20/41,386.80 = 10,955.20/x
  3. Step 3: Cross multiply
    27,591.20x = 41,386.80 × 10,955.20
  4. Step 4: Simplify right side
    27,591.20x = 453,400,671.36
  5. Step 5: Solve for x
    x = 453,400,671.36/27,591.20
  6. Step 6: Final answer
    x = 16,432.80

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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.