Home / 25,276.32-34,907.76-15,850.08

Finding the Fourth Proportional to 25,276.32, 34,907.76 and 15,850.08

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Solution

The fourth proportional to 25,276.32, 34,907.76 and 15,850.08 is: 21,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.32 : 34,907.76 = 15,850.08 : x
  2. Step 2: Convert to fraction form
    25,276.32/34,907.76 = 15,850.08/x
  3. Step 3: Cross multiply
    25,276.32x = 34,907.76 × 15,850.08
  4. Step 4: Simplify right side
    25,276.32x = 553,290,788.62
  5. Step 5: Solve for x
    x = 553,290,788.62/25,276.32
  6. Step 6: Final answer
    x = 21,889.69

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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.