Home / 22,721.32-31,346.71-16,767.19

Finding the Fourth Proportional to 22,721.32, 31,346.71 and 16,767.19

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Solution

The fourth proportional to 22,721.32, 31,346.71 and 16,767.19 is: 23,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.32 : 31,346.71 = 16,767.19 : x
  2. Step 2: Convert to fraction form
    22,721.32/31,346.71 = 16,767.19/x
  3. Step 3: Cross multiply
    22,721.32x = 31,346.71 × 16,767.19
  4. Step 4: Simplify right side
    22,721.32x = 525,596,242.44
  5. Step 5: Solve for x
    x = 525,596,242.44/22,721.32
  6. Step 6: Final answer
    x = 23,132.29

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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.