Home / 14,250.74-19,665.99-7,963.12

Finding the Fourth Proportional to 14,250.74, 19,665.99 and 7,963.12

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Solution

The fourth proportional to 14,250.74, 19,665.99 and 7,963.12 is: 10,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.74 : 19,665.99 = 7,963.12 : x
  2. Step 2: Convert to fraction form
    14,250.74/19,665.99 = 7,963.12/x
  3. Step 3: Cross multiply
    14,250.74x = 19,665.99 × 7,963.12
  4. Step 4: Simplify right side
    14,250.74x = 156,602,539.96
  5. Step 5: Solve for x
    x = 156,602,539.96/14,250.74
  6. Step 6: Final answer
    x = 10,989.08

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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.