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Finding the Fourth Proportional to 15,807.41, 21,814.86 and 9,093.03

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Solution

The fourth proportional to 15,807.41, 21,814.86 and 9,093.03 is: 12,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.41 : 21,814.86 = 9,093.03 : x
  2. Step 2: Convert to fraction form
    15,807.41/21,814.86 = 9,093.03/x
  3. Step 3: Cross multiply
    15,807.41x = 21,814.86 × 9,093.03
  4. Step 4: Simplify right side
    15,807.41x = 198,363,176.43
  5. Step 5: Solve for x
    x = 198,363,176.43/15,807.41
  6. Step 6: Final answer
    x = 12,548.75

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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.