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Finding the Fourth Proportional to 14,686.69, 22,051.90 and 5,938.69

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Solution

The fourth proportional to 14,686.69, 22,051.90 and 5,938.69 is: 8,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.69 : 22,051.90 = 5,938.69 : x
  2. Step 2: Convert to fraction form
    14,686.69/22,051.90 = 5,938.69/x
  3. Step 3: Cross multiply
    14,686.69x = 22,051.90 × 5,938.69
  4. Step 4: Simplify right side
    14,686.69x = 130,959,287.75
  5. Step 5: Solve for x
    x = 130,959,287.75/14,686.69
  6. Step 6: Final answer
    x = 8,916.87

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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.