Home / 28,395.67-39,186.08-17,065.34

Finding the Fourth Proportional to 28,395.67, 39,186.08 and 17,065.34

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Solution

The fourth proportional to 28,395.67, 39,186.08 and 17,065.34 is: 23,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.67 : 39,186.08 = 17,065.34 : x
  2. Step 2: Convert to fraction form
    28,395.67/39,186.08 = 17,065.34/x
  3. Step 3: Cross multiply
    28,395.67x = 39,186.08 × 17,065.34
  4. Step 4: Simplify right side
    28,395.67x = 668,723,919.10
  5. Step 5: Solve for x
    x = 668,723,919.10/28,395.67
  6. Step 6: Final answer
    x = 23,550.21

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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.