Home / 13,963.81-19,274.55-8,941.56

Finding the Fourth Proportional to 13,963.81, 19,274.55 and 8,941.56

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Solution

The fourth proportional to 13,963.81, 19,274.55 and 8,941.56 is: 12,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.81 : 19,274.55 = 8,941.56 : x
  2. Step 2: Convert to fraction form
    13,963.81/19,274.55 = 8,941.56/x
  3. Step 3: Cross multiply
    13,963.81x = 19,274.55 × 8,941.56
  4. Step 4: Simplify right side
    13,963.81x = 172,344,545.30
  5. Step 5: Solve for x
    x = 172,344,545.30/13,963.81
  6. Step 6: Final answer
    x = 12,342.23

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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.