Home / 18,193.32-25,113.39-11,483.31

Finding the Fourth Proportional to 18,193.32, 25,113.39 and 11,483.31

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Solution

The fourth proportional to 18,193.32, 25,113.39 and 11,483.31 is: 15,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.32 : 25,113.39 = 11,483.31 : x
  2. Step 2: Convert to fraction form
    18,193.32/25,113.39 = 11,483.31/x
  3. Step 3: Cross multiply
    18,193.32x = 25,113.39 × 11,483.31
  4. Step 4: Simplify right side
    18,193.32x = 288,384,842.52
  5. Step 5: Solve for x
    x = 288,384,842.52/18,193.32
  6. Step 6: Final answer
    x = 15,851.14

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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.