Home / 19,136.43-26,407.67-10,638.41

Finding the Fourth Proportional to 19,136.43, 26,407.67 and 10,638.41

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Solution

The fourth proportional to 19,136.43, 26,407.67 and 10,638.41 is: 14,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.43 : 26,407.67 = 10,638.41 : x
  2. Step 2: Convert to fraction form
    19,136.43/26,407.67 = 10,638.41/x
  3. Step 3: Cross multiply
    19,136.43x = 26,407.67 × 10,638.41
  4. Step 4: Simplify right side
    19,136.43x = 280,935,435.37
  5. Step 5: Solve for x
    x = 280,935,435.37/19,136.43
  6. Step 6: Final answer
    x = 14,680.66

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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.