Home / 22,703.69-34,061.30-7,121.45

Finding the Fourth Proportional to 22,703.69, 34,061.30 and 7,121.45

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Solution

The fourth proportional to 22,703.69, 34,061.30 and 7,121.45 is: 10,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,703.69 : 34,061.30 = 7,121.45 : x
  2. Step 2: Convert to fraction form
    22,703.69/34,061.30 = 7,121.45/x
  3. Step 3: Cross multiply
    22,703.69x = 34,061.30 × 7,121.45
  4. Step 4: Simplify right side
    22,703.69x = 242,565,809.28
  5. Step 5: Solve for x
    x = 242,565,809.28/22,703.69
  6. Step 6: Final answer
    x = 10,683.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.