Home / 25,690.35-38,535.51-10,888.89

Finding the Fourth Proportional to 25,690.35, 38,535.51 and 10,888.89

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Solution

The fourth proportional to 25,690.35, 38,535.51 and 10,888.89 is: 16,333.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.35 : 38,535.51 = 10,888.89 : x
  2. Step 2: Convert to fraction form
    25,690.35/38,535.51 = 10,888.89/x
  3. Step 3: Cross multiply
    25,690.35x = 38,535.51 × 10,888.89
  4. Step 4: Simplify right side
    25,690.35x = 419,608,929.48
  5. Step 5: Solve for x
    x = 419,608,929.48/25,690.35
  6. Step 6: Final answer
    x = 16,333.33

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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.