Home / 25,920.84-38,889.56-9,269.56

Finding the Fourth Proportional to 25,920.84, 38,889.56 and 9,269.56

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Solution

The fourth proportional to 25,920.84, 38,889.56 and 9,269.56 is: 13,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.84 : 38,889.56 = 9,269.56 : x
  2. Step 2: Convert to fraction form
    25,920.84/38,889.56 = 9,269.56/x
  3. Step 3: Cross multiply
    25,920.84x = 38,889.56 × 9,269.56
  4. Step 4: Simplify right side
    25,920.84x = 360,489,109.79
  5. Step 5: Solve for x
    x = 360,489,109.79/25,920.84
  6. Step 6: Final answer
    x = 13,907.31

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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.