Home / 25,604.58-38,542.74-18,259.86

Finding the Fourth Proportional to 25,604.58, 38,542.74 and 18,259.86

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Solution

The fourth proportional to 25,604.58, 38,542.74 and 18,259.86 is: 27,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.58 : 38,542.74 = 18,259.86 : x
  2. Step 2: Convert to fraction form
    25,604.58/38,542.74 = 18,259.86/x
  3. Step 3: Cross multiply
    25,604.58x = 38,542.74 × 18,259.86
  4. Step 4: Simplify right side
    25,604.58x = 703,785,036.42
  5. Step 5: Solve for x
    x = 703,785,036.42/25,604.58
  6. Step 6: Final answer
    x = 27,486.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.