Home / 18,565.09-25,618.75-10,181.59

Finding the Fourth Proportional to 18,565.09, 25,618.75 and 10,181.59

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Solution

The fourth proportional to 18,565.09, 25,618.75 and 10,181.59 is: 14,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.09 : 25,618.75 = 10,181.59 : x
  2. Step 2: Convert to fraction form
    18,565.09/25,618.75 = 10,181.59/x
  3. Step 3: Cross multiply
    18,565.09x = 25,618.75 × 10,181.59
  4. Step 4: Simplify right side
    18,565.09x = 260,839,608.81
  5. Step 5: Solve for x
    x = 260,839,608.81/18,565.09
  6. Step 6: Final answer
    x = 14,050.01

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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.