Home / 26,440.10-39,658.09-9,792.30

Finding the Fourth Proportional to 26,440.10, 39,658.09 and 9,792.30

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Solution

The fourth proportional to 26,440.10, 39,658.09 and 9,792.30 is: 14,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.10 : 39,658.09 = 9,792.30 : x
  2. Step 2: Convert to fraction form
    26,440.10/39,658.09 = 9,792.30/x
  3. Step 3: Cross multiply
    26,440.10x = 39,658.09 × 9,792.30
  4. Step 4: Simplify right side
    26,440.10x = 388,343,914.71
  5. Step 5: Solve for x
    x = 388,343,914.71/26,440.10
  6. Step 6: Final answer
    x = 14,687.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.