Home / 19,356.67-26,711.78-10,858.66

Finding the Fourth Proportional to 19,356.67, 26,711.78 and 10,858.66

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Solution

The fourth proportional to 19,356.67, 26,711.78 and 10,858.66 is: 14,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.67 : 26,711.78 = 10,858.66 : x
  2. Step 2: Convert to fraction form
    19,356.67/26,711.78 = 10,858.66/x
  3. Step 3: Cross multiply
    19,356.67x = 26,711.78 × 10,858.66
  4. Step 4: Simplify right side
    19,356.67x = 290,054,015.94
  5. Step 5: Solve for x
    x = 290,054,015.94/19,356.67
  6. Step 6: Final answer
    x = 14,984.71

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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.