Home / 22,987.32-34,480.14-7,405.38

Finding the Fourth Proportional to 22,987.32, 34,480.14 and 7,405.38

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Solution

The fourth proportional to 22,987.32, 34,480.14 and 7,405.38 is: 11,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,987.32 : 34,480.14 = 7,405.38 : x
  2. Step 2: Convert to fraction form
    22,987.32/34,480.14 = 7,405.38/x
  3. Step 3: Cross multiply
    22,987.32x = 34,480.14 × 7,405.38
  4. Step 4: Simplify right side
    22,987.32x = 255,338,539.15
  5. Step 5: Solve for x
    x = 255,338,539.15/22,987.32
  6. Step 6: Final answer
    x = 11,107.80

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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.