Home / 22,768.02-31,438.53-15,682.14

Finding the Fourth Proportional to 22,768.02, 31,438.53 and 15,682.14

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Solution

The fourth proportional to 22,768.02, 31,438.53 and 15,682.14 is: 21,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,768.02 : 31,438.53 = 15,682.14 : x
  2. Step 2: Convert to fraction form
    22,768.02/31,438.53 = 15,682.14/x
  3. Step 3: Cross multiply
    22,768.02x = 31,438.53 × 15,682.14
  4. Step 4: Simplify right side
    22,768.02x = 493,023,428.85
  5. Step 5: Solve for x
    x = 493,023,428.85/22,768.02
  6. Step 6: Final answer
    x = 21,654.21

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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.