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Finding the Fourth Proportional to 14,943.36, 22,404.06 and 7,157.64

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Solution

The fourth proportional to 14,943.36, 22,404.06 and 7,157.64 is: 10,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.36 : 22,404.06 = 7,157.64 : x
  2. Step 2: Convert to fraction form
    14,943.36/22,404.06 = 7,157.64/x
  3. Step 3: Cross multiply
    14,943.36x = 22,404.06 × 7,157.64
  4. Step 4: Simplify right side
    14,943.36x = 160,360,196.02
  5. Step 5: Solve for x
    x = 160,360,196.02/14,943.36
  6. Step 6: Final answer
    x = 10,731.20

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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.