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Finding the Fourth Proportional to 14,697.17, 20,270.98 and 10,218.68

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Solution

The fourth proportional to 14,697.17, 20,270.98 and 10,218.68 is: 14,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,697.17 : 20,270.98 = 10,218.68 : x
  2. Step 2: Convert to fraction form
    14,697.17/20,270.98 = 10,218.68/x
  3. Step 3: Cross multiply
    14,697.17x = 20,270.98 × 10,218.68
  4. Step 4: Simplify right side
    14,697.17x = 207,142,734.13
  5. Step 5: Solve for x
    x = 207,142,734.13/14,697.17
  6. Step 6: Final answer
    x = 14,094.05

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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.