Home / 19,356.12-26,711.10-10,972.44

Finding the Fourth Proportional to 19,356.12, 26,711.10 and 10,972.44

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Solution

The fourth proportional to 19,356.12, 26,711.10 and 10,972.44 is: 15,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.12 : 26,711.10 = 10,972.44 : x
  2. Step 2: Convert to fraction form
    19,356.12/26,711.10 = 10,972.44/x
  3. Step 3: Cross multiply
    19,356.12x = 26,711.10 × 10,972.44
  4. Step 4: Simplify right side
    19,356.12x = 293,085,942.08
  5. Step 5: Solve for x
    x = 293,085,942.08/19,356.12
  6. Step 6: Final answer
    x = 15,141.77

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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.