Home / 16,678.87-23,013.43-9,603.43

Finding the Fourth Proportional to 16,678.87, 23,013.43 and 9,603.43

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Solution

The fourth proportional to 16,678.87, 23,013.43 and 9,603.43 is: 13,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.87 : 23,013.43 = 9,603.43 : x
  2. Step 2: Convert to fraction form
    16,678.87/23,013.43 = 9,603.43/x
  3. Step 3: Cross multiply
    16,678.87x = 23,013.43 × 9,603.43
  4. Step 4: Simplify right side
    16,678.87x = 221,007,864.06
  5. Step 5: Solve for x
    x = 221,007,864.06/16,678.87
  6. Step 6: Final answer
    x = 13,250.77

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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.