Home / 19,136.92-26,422.10-11,969.95

Finding the Fourth Proportional to 19,136.92, 26,422.10 and 11,969.95

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Solution

The fourth proportional to 19,136.92, 26,422.10 and 11,969.95 is: 16,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.92 : 26,422.10 = 11,969.95 : x
  2. Step 2: Convert to fraction form
    19,136.92/26,422.10 = 11,969.95/x
  3. Step 3: Cross multiply
    19,136.92x = 26,422.10 × 11,969.95
  4. Step 4: Simplify right side
    19,136.92x = 316,271,215.90
  5. Step 5: Solve for x
    x = 316,271,215.90/19,136.92
  6. Step 6: Final answer
    x = 16,526.76

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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.