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Finding the Fourth Proportional to 18,022.48, 24,871 and 10,064.70

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Solution

The fourth proportional to 18,022.48, 24,871 and 10,064.70 is: 13,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.48 : 24,871 = 10,064.70 : x
  2. Step 2: Convert to fraction form
    18,022.48/24,871 = 10,064.70/x
  3. Step 3: Cross multiply
    18,022.48x = 24,871 × 10,064.70
  4. Step 4: Simplify right side
    18,022.48x = 250,319,153.70
  5. Step 5: Solve for x
    x = 250,319,153.70/18,022.48
  6. Step 6: Final answer
    x = 13,889.27

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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.