Home / 16,119.19-23,983.77-15,717.43

Finding the Fourth Proportional to 16,119.19, 23,983.77 and 15,717.43

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Solution

The fourth proportional to 16,119.19, 23,983.77 and 15,717.43 is: 23,385.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119.19 : 23,983.77 = 15,717.43 : x
  2. Step 2: Convert to fraction form
    16,119.19/23,983.77 = 15,717.43/x
  3. Step 3: Cross multiply
    16,119.19x = 23,983.77 × 15,717.43
  4. Step 4: Simplify right side
    16,119.19x = 376,963,226.11
  5. Step 5: Solve for x
    x = 376,963,226.11/16,119.19
  6. Step 6: Final answer
    x = 23,385.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.