Home / 13,229.34-19,838.22-9,516.06

Finding the Fourth Proportional to 13,229.34, 19,838.22 and 9,516.06

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Solution

The fourth proportional to 13,229.34, 19,838.22 and 9,516.06 is: 14,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.34 : 19,838.22 = 9,516.06 : x
  2. Step 2: Convert to fraction form
    13,229.34/19,838.22 = 9,516.06/x
  3. Step 3: Cross multiply
    13,229.34x = 19,838.22 × 9,516.06
  4. Step 4: Simplify right side
    13,229.34x = 188,781,691.81
  5. Step 5: Solve for x
    x = 188,781,691.81/13,229.34
  6. Step 6: Final answer
    x = 14,269.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.