Home / 25,547.78-38,327.83-8,017.61

Finding the Fourth Proportional to 25,547.78, 38,327.83 and 8,017.61

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Solution

The fourth proportional to 25,547.78, 38,327.83 and 8,017.61 is: 12,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,547.78 : 38,327.83 = 8,017.61 : x
  2. Step 2: Convert to fraction form
    25,547.78/38,327.83 = 8,017.61/x
  3. Step 3: Cross multiply
    25,547.78x = 38,327.83 × 8,017.61
  4. Step 4: Simplify right side
    25,547.78x = 307,297,381.40
  5. Step 5: Solve for x
    x = 307,297,381.40/25,547.78
  6. Step 6: Final answer
    x = 12,028.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.