Home / 19,136.28-26,408.52-10,638.66

Finding the Fourth Proportional to 19,136.28, 26,408.52 and 10,638.66

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Solution

The fourth proportional to 19,136.28, 26,408.52 and 10,638.66 is: 14,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.28 : 26,408.52 = 10,638.66 : x
  2. Step 2: Convert to fraction form
    19,136.28/26,408.52 = 10,638.66/x
  3. Step 3: Cross multiply
    19,136.28x = 26,408.52 × 10,638.66
  4. Step 4: Simplify right side
    19,136.28x = 280,951,265.38
  5. Step 5: Solve for x
    x = 280,951,265.38/19,136.28
  6. Step 6: Final answer
    x = 14,681.60

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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.