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Finding the Fourth Proportional to 16,094.40, 21,805.20 and 16,094.40

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Solution

The fourth proportional to 16,094.40, 21,805.20 and 16,094.40 is: 21,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,094.40 : 21,805.20 = 16,094.40 : x
  2. Step 2: Convert to fraction form
    16,094.40/21,805.20 = 16,094.40/x
  3. Step 3: Cross multiply
    16,094.40x = 21,805.20 × 16,094.40
  4. Step 4: Simplify right side
    16,094.40x = 350,941,610.88
  5. Step 5: Solve for x
    x = 350,941,610.88/16,094.40
  6. Step 6: Final answer
    x = 21,805.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.