Home / 22,907.20-34,360.80-7,326.40

Finding the Fourth Proportional to 22,907.20, 34,360.80 and 7,326.40

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Solution

The fourth proportional to 22,907.20, 34,360.80 and 7,326.40 is: 10,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.20 : 34,360.80 = 7,326.40 : x
  2. Step 2: Convert to fraction form
    22,907.20/34,360.80 = 7,326.40/x
  3. Step 3: Cross multiply
    22,907.20x = 34,360.80 × 7,326.40
  4. Step 4: Simplify right side
    22,907.20x = 251,740,965.12
  5. Step 5: Solve for x
    x = 251,740,965.12/22,907.20
  6. Step 6: Final answer
    x = 10,989.60

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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.