Home / 18,480.80-25,503.58-10,097.30

Finding the Fourth Proportional to 18,480.80, 25,503.58 and 10,097.30

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Solution

The fourth proportional to 18,480.80, 25,503.58 and 10,097.30 is: 13,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.80 : 25,503.58 = 10,097.30 : x
  2. Step 2: Convert to fraction form
    18,480.80/25,503.58 = 10,097.30/x
  3. Step 3: Cross multiply
    18,480.80x = 25,503.58 × 10,097.30
  4. Step 4: Simplify right side
    18,480.80x = 257,517,298.33
  5. Step 5: Solve for x
    x = 257,517,298.33/18,480.80
  6. Step 6: Final answer
    x = 13,934.32

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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.