Home / 18,799.52-25,884.24-15,274.40

Finding the Fourth Proportional to 18,799.52, 25,884.24 and 15,274.40

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Solution

The fourth proportional to 18,799.52, 25,884.24 and 15,274.40 is: 21,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799.52 : 25,884.24 = 15,274.40 : x
  2. Step 2: Convert to fraction form
    18,799.52/25,884.24 = 15,274.40/x
  3. Step 3: Cross multiply
    18,799.52x = 25,884.24 × 15,274.40
  4. Step 4: Simplify right side
    18,799.52x = 395,366,235.46
  5. Step 5: Solve for x
    x = 395,366,235.46/18,799.52
  6. Step 6: Final answer
    x = 21,030.66

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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.