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Finding the Fourth Proportional to 18,649.93, 25,737.23 and 10,152.29

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Solution

The fourth proportional to 18,649.93, 25,737.23 and 10,152.29 is: 14,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.93 : 25,737.23 = 10,152.29 : x
  2. Step 2: Convert to fraction form
    18,649.93/25,737.23 = 10,152.29/x
  3. Step 3: Cross multiply
    18,649.93x = 25,737.23 × 10,152.29
  4. Step 4: Simplify right side
    18,649.93x = 261,291,893.89
  5. Step 5: Solve for x
    x = 261,291,893.89/18,649.93
  6. Step 6: Final answer
    x = 14,010.34

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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.