Home / 26,318.34-36,315.81-16,899.66

Finding the Fourth Proportional to 26,318.34, 36,315.81 and 16,899.66

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Solution

The fourth proportional to 26,318.34, 36,315.81 and 16,899.66 is: 23,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.34 : 36,315.81 = 16,899.66 : x
  2. Step 2: Convert to fraction form
    26,318.34/36,315.81 = 16,899.66/x
  3. Step 3: Cross multiply
    26,318.34x = 36,315.81 × 16,899.66
  4. Step 4: Simplify right side
    26,318.34x = 613,724,841.62
  5. Step 5: Solve for x
    x = 613,724,841.62/26,318.34
  6. Step 6: Final answer
    x = 23,319.28

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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.