Home / 13,223.84-19,834.94-5,432.45

Finding the Fourth Proportional to 13,223.84, 19,834.94 and 5,432.45

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Solution

The fourth proportional to 13,223.84, 19,834.94 and 5,432.45 is: 8,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.84 : 19,834.94 = 5,432.45 : x
  2. Step 2: Convert to fraction form
    13,223.84/19,834.94 = 5,432.45/x
  3. Step 3: Cross multiply
    13,223.84x = 19,834.94 × 5,432.45
  4. Step 4: Simplify right side
    13,223.84x = 107,752,193.47
  5. Step 5: Solve for x
    x = 107,752,193.47/13,223.84
  6. Step 6: Final answer
    x = 8,148.33

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1.5x scale

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.