Home / 22,643.69-31,237.41-15,933.02

Finding the Fourth Proportional to 22,643.69, 31,237.41 and 15,933.02

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Solution

The fourth proportional to 22,643.69, 31,237.41 and 15,933.02 is: 21,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.69 : 31,237.41 = 15,933.02 : x
  2. Step 2: Convert to fraction form
    22,643.69/31,237.41 = 15,933.02/x
  3. Step 3: Cross multiply
    22,643.69x = 31,237.41 × 15,933.02
  4. Step 4: Simplify right side
    22,643.69x = 497,706,122.09
  5. Step 5: Solve for x
    x = 497,706,122.09/22,643.69
  6. Step 6: Final answer
    x = 21,979.91

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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.