Home / 17,828.81-24,603.85-9,871.17

Finding the Fourth Proportional to 17,828.81, 24,603.85 and 9,871.17

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Solution

The fourth proportional to 17,828.81, 24,603.85 and 9,871.17 is: 13,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.81 : 24,603.85 = 9,871.17 : x
  2. Step 2: Convert to fraction form
    17,828.81/24,603.85 = 9,871.17/x
  3. Step 3: Cross multiply
    17,828.81x = 24,603.85 × 9,871.17
  4. Step 4: Simplify right side
    17,828.81x = 242,868,706.08
  5. Step 5: Solve for x
    x = 242,868,706.08/17,828.81
  6. Step 6: Final answer
    x = 13,622.26

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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.