Home / 18,231.32-25,159.74-10,682.66

Finding the Fourth Proportional to 18,231.32, 25,159.74 and 10,682.66

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Solution

The fourth proportional to 18,231.32, 25,159.74 and 10,682.66 is: 14,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.32 : 25,159.74 = 10,682.66 : x
  2. Step 2: Convert to fraction form
    18,231.32/25,159.74 = 10,682.66/x
  3. Step 3: Cross multiply
    18,231.32x = 25,159.74 × 10,682.66
  4. Step 4: Simplify right side
    18,231.32x = 268,772,948.11
  5. Step 5: Solve for x
    x = 268,772,948.11/18,231.32
  6. Step 6: Final answer
    x = 14,742.37

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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.