Home / 22,731.84-31,368.96-16,433.28

Finding the Fourth Proportional to 22,731.84, 31,368.96 and 16,433.28

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Solution

The fourth proportional to 22,731.84, 31,368.96 and 16,433.28 is: 22,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.84 : 31,368.96 = 16,433.28 : x
  2. Step 2: Convert to fraction form
    22,731.84/31,368.96 = 16,433.28/x
  3. Step 3: Cross multiply
    22,731.84x = 31,368.96 × 16,433.28
  4. Step 4: Simplify right side
    22,731.84x = 515,494,902.99
  5. Step 5: Solve for x
    x = 515,494,902.99/22,731.84
  6. Step 6: Final answer
    x = 22,677.22

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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.