Home / 27,618.54-38,113.65-15,043.02

Finding the Fourth Proportional to 27,618.54, 38,113.65 and 15,043.02

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Solution

The fourth proportional to 27,618.54, 38,113.65 and 15,043.02 is: 20,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.54 : 38,113.65 = 15,043.02 : x
  2. Step 2: Convert to fraction form
    27,618.54/38,113.65 = 15,043.02/x
  3. Step 3: Cross multiply
    27,618.54x = 38,113.65 × 15,043.02
  4. Step 4: Simplify right side
    27,618.54x = 573,344,399.22
  5. Step 5: Solve for x
    x = 573,344,399.22/27,618.54
  6. Step 6: Final answer
    x = 20,759.40

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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.