Home / 18,565.38-25,621.44-10,181.88

Finding the Fourth Proportional to 18,565.38, 25,621.44 and 10,181.88

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Solution

The fourth proportional to 18,565.38, 25,621.44 and 10,181.88 is: 14,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.38 : 25,621.44 = 10,181.88 : x
  2. Step 2: Convert to fraction form
    18,565.38/25,621.44 = 10,181.88/x
  3. Step 3: Cross multiply
    18,565.38x = 25,621.44 × 10,181.88
  4. Step 4: Simplify right side
    18,565.38x = 260,874,427.51
  5. Step 5: Solve for x
    x = 260,874,427.51/18,565.38
  6. Step 6: Final answer
    x = 14,051.66

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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.