Home / 18,455.07-25,469.36-10,499.85

Finding the Fourth Proportional to 18,455.07, 25,469.36 and 10,499.85

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Solution

The fourth proportional to 18,455.07, 25,469.36 and 10,499.85 is: 14,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.07 : 25,469.36 = 10,499.85 : x
  2. Step 2: Convert to fraction form
    18,455.07/25,469.36 = 10,499.85/x
  3. Step 3: Cross multiply
    18,455.07x = 25,469.36 × 10,499.85
  4. Step 4: Simplify right side
    18,455.07x = 267,424,407.10
  5. Step 5: Solve for x
    x = 267,424,407.10/18,455.07
  6. Step 6: Final answer
    x = 14,490.57

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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.