Home / 18,765.79-25,892.52-11,210.92

Finding the Fourth Proportional to 18,765.79, 25,892.52 and 11,210.92

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Solution

The fourth proportional to 18,765.79, 25,892.52 and 11,210.92 is: 15,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.79 : 25,892.52 = 11,210.92 : x
  2. Step 2: Convert to fraction form
    18,765.79/25,892.52 = 11,210.92/x
  3. Step 3: Cross multiply
    18,765.79x = 25,892.52 × 11,210.92
  4. Step 4: Simplify right side
    18,765.79x = 290,278,970.32
  5. Step 5: Solve for x
    x = 290,278,970.32/18,765.79
  6. Step 6: Final answer
    x = 15,468.52

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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.