Home / 22,907.16-34,516.79-18,838.31

Finding the Fourth Proportional to 22,907.16, 34,516.79 and 18,838.31

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Solution

The fourth proportional to 22,907.16, 34,516.79 and 18,838.31 is: 28,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,907.16 : 34,516.79 = 18,838.31 : x
  2. Step 2: Convert to fraction form
    22,907.16/34,516.79 = 18,838.31/x
  3. Step 3: Cross multiply
    22,907.16x = 34,516.79 × 18,838.31
  4. Step 4: Simplify right side
    22,907.16x = 650,237,723.45
  5. Step 5: Solve for x
    x = 650,237,723.45/22,907.16
  6. Step 6: Final answer
    x = 28,385.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.