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Finding the Fourth Proportional to 14,253.15, 21,368.18 and 5,939.39

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Solution

The fourth proportional to 14,253.15, 21,368.18 and 5,939.39 is: 8,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.15 : 21,368.18 = 5,939.39 : x
  2. Step 2: Convert to fraction form
    14,253.15/21,368.18 = 5,939.39/x
  3. Step 3: Cross multiply
    14,253.15x = 21,368.18 × 5,939.39
  4. Step 4: Simplify right side
    14,253.15x = 126,913,818.07
  5. Step 5: Solve for x
    x = 126,913,818.07/14,253.15
  6. Step 6: Final answer
    x = 8,904.26

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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.