Home / 18,530.52-25,594.56-13,486.74

Finding the Fourth Proportional to 18,530.52, 25,594.56 and 13,486.74

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Solution

The fourth proportional to 18,530.52, 25,594.56 and 13,486.74 is: 18,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.52 : 25,594.56 = 13,486.74 : x
  2. Step 2: Convert to fraction form
    18,530.52/25,594.56 = 13,486.74/x
  3. Step 3: Cross multiply
    18,530.52x = 25,594.56 × 13,486.74
  4. Step 4: Simplify right side
    18,530.52x = 345,187,176.13
  5. Step 5: Solve for x
    x = 345,187,176.13/18,530.52
  6. Step 6: Final answer
    x = 18,628.04

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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.