Home / 16,885.34-23,302.80-9,717.56

Finding the Fourth Proportional to 16,885.34, 23,302.80 and 9,717.56

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Solution

The fourth proportional to 16,885.34, 23,302.80 and 9,717.56 is: 13,410.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.34 : 23,302.80 = 9,717.56 : x
  2. Step 2: Convert to fraction form
    16,885.34/23,302.80 = 9,717.56/x
  3. Step 3: Cross multiply
    16,885.34x = 23,302.80 × 9,717.56
  4. Step 4: Simplify right side
    16,885.34x = 226,446,357.17
  5. Step 5: Solve for x
    x = 226,446,357.17/16,885.34
  6. Step 6: Final answer
    x = 13,410.83

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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.