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Finding the Fourth Proportional to 16,853, 23,255.70 and 10,884.92

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Solution

The fourth proportional to 16,853, 23,255.70 and 10,884.92 is: 15,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853 : 23,255.70 = 10,884.92 : x
  2. Step 2: Convert to fraction form
    16,853/23,255.70 = 10,884.92/x
  3. Step 3: Cross multiply
    16,853x = 23,255.70 × 10,884.92
  4. Step 4: Simplify right side
    16,853x = 253,136,434.04
  5. Step 5: Solve for x
    x = 253,136,434.04/16,853
  6. Step 6: Final answer
    x = 15,020.26

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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.