Home / 22,930.01-31,643.75-13,369.64

Finding the Fourth Proportional to 22,930.01, 31,643.75 and 13,369.64

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Solution

The fourth proportional to 22,930.01, 31,643.75 and 13,369.64 is: 18,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.01 : 31,643.75 = 13,369.64 : x
  2. Step 2: Convert to fraction form
    22,930.01/31,643.75 = 13,369.64/x
  3. Step 3: Cross multiply
    22,930.01x = 31,643.75 × 13,369.64
  4. Step 4: Simplify right side
    22,930.01x = 423,065,320.68
  5. Step 5: Solve for x
    x = 423,065,320.68/22,930.01
  6. Step 6: Final answer
    x = 18,450.29

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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.