Home / 22,923.61-31,639.61-13,969.26

Finding the Fourth Proportional to 22,923.61, 31,639.61 and 13,969.26

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Solution

The fourth proportional to 22,923.61, 31,639.61 and 13,969.26 is: 19,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.61 : 31,639.61 = 13,969.26 : x
  2. Step 2: Convert to fraction form
    22,923.61/31,639.61 = 13,969.26/x
  3. Step 3: Cross multiply
    22,923.61x = 31,639.61 × 13,969.26
  4. Step 4: Simplify right side
    22,923.61x = 441,981,973.31
  5. Step 5: Solve for x
    x = 441,981,973.31/22,923.61
  6. Step 6: Final answer
    x = 19,280.65

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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.