Home / 18,269.61-25,209.54-10,202.28

Finding the Fourth Proportional to 18,269.61, 25,209.54 and 10,202.28

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Solution

The fourth proportional to 18,269.61, 25,209.54 and 10,202.28 is: 14,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.61 : 25,209.54 = 10,202.28 : x
  2. Step 2: Convert to fraction form
    18,269.61/25,209.54 = 10,202.28/x
  3. Step 3: Cross multiply
    18,269.61x = 25,209.54 × 10,202.28
  4. Step 4: Simplify right side
    18,269.61x = 257,194,785.75
  5. Step 5: Solve for x
    x = 257,194,785.75/18,269.61
  6. Step 6: Final answer
    x = 14,077.74

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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.