Home / 18,200.09-25,116.51-10,242.32

Finding the Fourth Proportional to 18,200.09, 25,116.51 and 10,242.32

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Solution

The fourth proportional to 18,200.09, 25,116.51 and 10,242.32 is: 14,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.09 : 25,116.51 = 10,242.32 : x
  2. Step 2: Convert to fraction form
    18,200.09/25,116.51 = 10,242.32/x
  3. Step 3: Cross multiply
    18,200.09x = 25,116.51 × 10,242.32
  4. Step 4: Simplify right side
    18,200.09x = 257,251,207.12
  5. Step 5: Solve for x
    x = 257,251,207.12/18,200.09
  6. Step 6: Final answer
    x = 14,134.62

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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.