Home / 22,631.45-31,222.82-16,677.32

Finding the Fourth Proportional to 22,631.45, 31,222.82 and 16,677.32

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Solution

The fourth proportional to 22,631.45, 31,222.82 and 16,677.32 is: 23,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.45 : 31,222.82 = 16,677.32 : x
  2. Step 2: Convert to fraction form
    22,631.45/31,222.82 = 16,677.32/x
  3. Step 3: Cross multiply
    22,631.45x = 31,222.82 × 16,677.32
  4. Step 4: Simplify right side
    22,631.45x = 520,712,846.02
  5. Step 5: Solve for x
    x = 520,712,846.02/22,631.45
  6. Step 6: Final answer
    x = 23,008.38

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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.