Home / 18,650.99-25,737.56-10,153.13

Finding the Fourth Proportional to 18,650.99, 25,737.56 and 10,153.13

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Solution

The fourth proportional to 18,650.99, 25,737.56 and 10,153.13 is: 14,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.99 : 25,737.56 = 10,153.13 : x
  2. Step 2: Convert to fraction form
    18,650.99/25,737.56 = 10,153.13/x
  3. Step 3: Cross multiply
    18,650.99x = 25,737.56 × 10,153.13
  4. Step 4: Simplify right side
    18,650.99x = 261,316,613.11
  5. Step 5: Solve for x
    x = 261,316,613.11/18,650.99
  6. Step 6: Final answer
    x = 14,010.87

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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.