Home / 14,255.14-19,669.89-7,966.30

Finding the Fourth Proportional to 14,255.14, 19,669.89 and 7,966.30

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Solution

The fourth proportional to 14,255.14, 19,669.89 and 7,966.30 is: 10,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.14 : 19,669.89 = 7,966.30 : x
  2. Step 2: Convert to fraction form
    14,255.14/19,669.89 = 7,966.30/x
  3. Step 3: Cross multiply
    14,255.14x = 19,669.89 × 7,966.30
  4. Step 4: Simplify right side
    14,255.14x = 156,696,244.71
  5. Step 5: Solve for x
    x = 156,696,244.71/14,255.14
  6. Step 6: Final answer
    x = 10,992.26

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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.