Home / 22,907.36-34,334.40-18,754.40

Finding the Fourth Proportional to 22,907.36, 34,334.40 and 18,754.40

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Solution

The fourth proportional to 22,907.36, 34,334.40 and 18,754.40 is: 28,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.36 : 34,334.40 = 18,754.40 : x
  2. Step 2: Convert to fraction form
    22,907.36/34,334.40 = 18,754.40/x
  3. Step 3: Cross multiply
    22,907.36x = 34,334.40 × 18,754.40
  4. Step 4: Simplify right side
    22,907.36x = 643,921,071.36
  5. Step 5: Solve for x
    x = 643,921,071.36/22,907.36
  6. Step 6: Final answer
    x = 28,109.79

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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.