Home / 19,156.50-26,431.95-11,197.17

Finding the Fourth Proportional to 19,156.50, 26,431.95 and 11,197.17

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Solution

The fourth proportional to 19,156.50, 26,431.95 and 11,197.17 is: 15,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.50 : 26,431.95 = 11,197.17 : x
  2. Step 2: Convert to fraction form
    19,156.50/26,431.95 = 11,197.17/x
  3. Step 3: Cross multiply
    19,156.50x = 26,431.95 × 11,197.17
  4. Step 4: Simplify right side
    19,156.50x = 295,963,079.57
  5. Step 5: Solve for x
    x = 295,963,079.57/19,156.50
  6. Step 6: Final answer
    x = 15,449.75

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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.