Home / 27,913.69-38,518.66-15,974.29

Finding the Fourth Proportional to 27,913.69, 38,518.66 and 15,974.29

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Solution

The fourth proportional to 27,913.69, 38,518.66 and 15,974.29 is: 22,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,913.69 : 38,518.66 = 15,974.29 : x
  2. Step 2: Convert to fraction form
    27,913.69/38,518.66 = 15,974.29/x
  3. Step 3: Cross multiply
    27,913.69x = 38,518.66 × 15,974.29
  4. Step 4: Simplify right side
    27,913.69x = 615,308,245.25
  5. Step 5: Solve for x
    x = 615,308,245.25/27,913.69
  6. Step 6: Final answer
    x = 22,043.24

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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.