Home / 12,348.84-17,007.20-10,669.71

Finding the Fourth Proportional to 12,348.84, 17,007.20 and 10,669.71

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Solution

The fourth proportional to 12,348.84, 17,007.20 and 10,669.71 is: 14,694.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.84 : 17,007.20 = 10,669.71 : x
  2. Step 2: Convert to fraction form
    12,348.84/17,007.20 = 10,669.71/x
  3. Step 3: Cross multiply
    12,348.84x = 17,007.20 × 10,669.71
  4. Step 4: Simplify right side
    12,348.84x = 181,461,838.56
  5. Step 5: Solve for x
    x = 181,461,838.56/12,348.84
  6. Step 6: Final answer
    x = 14,694.65

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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.