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Finding the Fourth Proportional to 15,011.94, 20,694.51 and 10,522.14

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Solution

The fourth proportional to 15,011.94, 20,694.51 and 10,522.14 is: 14,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.94 : 20,694.51 = 10,522.14 : x
  2. Step 2: Convert to fraction form
    15,011.94/20,694.51 = 10,522.14/x
  3. Step 3: Cross multiply
    15,011.94x = 20,694.51 × 10,522.14
  4. Step 4: Simplify right side
    15,011.94x = 217,750,531.45
  5. Step 5: Solve for x
    x = 217,750,531.45/15,011.94
  6. Step 6: Final answer
    x = 14,505.16

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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.