Home / 19,356.16-26,716.44-10,977.52

Finding the Fourth Proportional to 19,356.16, 26,716.44 and 10,977.52

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Solution

The fourth proportional to 19,356.16, 26,716.44 and 10,977.52 is: 15,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.16 : 26,716.44 = 10,977.52 : x
  2. Step 2: Convert to fraction form
    19,356.16/26,716.44 = 10,977.52/x
  3. Step 3: Cross multiply
    19,356.16x = 26,716.44 × 10,977.52
  4. Step 4: Simplify right side
    19,356.16x = 293,280,254.43
  5. Step 5: Solve for x
    x = 293,280,254.43/19,356.16
  6. Step 6: Final answer
    x = 15,151.78

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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.