Home / 22,961.06-31,682.49-13,528.34

Finding the Fourth Proportional to 22,961.06, 31,682.49 and 13,528.34

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Solution

The fourth proportional to 22,961.06, 31,682.49 and 13,528.34 is: 18,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961.06 : 31,682.49 = 13,528.34 : x
  2. Step 2: Convert to fraction form
    22,961.06/31,682.49 = 13,528.34/x
  3. Step 3: Cross multiply
    22,961.06x = 31,682.49 × 13,528.34
  4. Step 4: Simplify right side
    22,961.06x = 428,611,496.77
  5. Step 5: Solve for x
    x = 428,611,496.77/22,961.06
  6. Step 6: Final answer
    x = 18,666.89

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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.