Home / 19,136.50-26,406.29-10,638.98

Finding the Fourth Proportional to 19,136.50, 26,406.29 and 10,638.98

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Solution

The fourth proportional to 19,136.50, 26,406.29 and 10,638.98 is: 14,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.50 : 26,406.29 = 10,638.98 : x
  2. Step 2: Convert to fraction form
    19,136.50/26,406.29 = 10,638.98/x
  3. Step 3: Cross multiply
    19,136.50x = 26,406.29 × 10,638.98
  4. Step 4: Simplify right side
    19,136.50x = 280,936,017.78
  5. Step 5: Solve for x
    x = 280,936,017.78/19,136.50
  6. Step 6: Final answer
    x = 14,680.64

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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.