Home / 18,672.52-25,768.38-10,289.02

Finding the Fourth Proportional to 18,672.52, 25,768.38 and 10,289.02

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Solution

The fourth proportional to 18,672.52, 25,768.38 and 10,289.02 is: 14,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.52 : 25,768.38 = 10,289.02 : x
  2. Step 2: Convert to fraction form
    18,672.52/25,768.38 = 10,289.02/x
  3. Step 3: Cross multiply
    18,672.52x = 25,768.38 × 10,289.02
  4. Step 4: Simplify right side
    18,672.52x = 265,131,377.19
  5. Step 5: Solve for x
    x = 265,131,377.19/18,672.52
  6. Step 6: Final answer
    x = 14,199.01

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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.