Home / 18,706.16-28,006.86-14,092.40

Finding the Fourth Proportional to 18,706.16, 28,006.86 and 14,092.40

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Solution

The fourth proportional to 18,706.16, 28,006.86 and 14,092.40 is: 21,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706.16 : 28,006.86 = 14,092.40 : x
  2. Step 2: Convert to fraction form
    18,706.16/28,006.86 = 14,092.40/x
  3. Step 3: Cross multiply
    18,706.16x = 28,006.86 × 14,092.40
  4. Step 4: Simplify right side
    18,706.16x = 394,683,873.86
  5. Step 5: Solve for x
    x = 394,683,873.86/18,706.16
  6. Step 6: Final answer
    x = 21,099.14

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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.