Home / 13,850.64-19,113.18-8,545.92

Finding the Fourth Proportional to 13,850.64, 19,113.18 and 8,545.92

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Solution

The fourth proportional to 13,850.64, 19,113.18 and 8,545.92 is: 11,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.64 : 19,113.18 = 8,545.92 : x
  2. Step 2: Convert to fraction form
    13,850.64/19,113.18 = 8,545.92/x
  3. Step 3: Cross multiply
    13,850.64x = 19,113.18 × 8,545.92
  4. Step 4: Simplify right side
    13,850.64x = 163,339,707.23
  5. Step 5: Solve for x
    x = 163,339,707.23/13,850.64
  6. Step 6: Final answer
    x = 11,792.94

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Double scale
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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.