Home / 16,392.84-22,622.13-9,319.29

Finding the Fourth Proportional to 16,392.84, 22,622.13 and 9,319.29

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Solution

The fourth proportional to 16,392.84, 22,622.13 and 9,319.29 is: 12,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.84 : 22,622.13 = 9,319.29 : x
  2. Step 2: Convert to fraction form
    16,392.84/22,622.13 = 9,319.29/x
  3. Step 3: Cross multiply
    16,392.84x = 22,622.13 × 9,319.29
  4. Step 4: Simplify right side
    16,392.84x = 210,822,189.89
  5. Step 5: Solve for x
    x = 210,822,189.89/16,392.84
  6. Step 6: Final answer
    x = 12,860.63

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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.