Home / 17,972.85-26,826.21-16,864.77

Finding the Fourth Proportional to 17,972.85, 26,826.21 and 16,864.77

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Solution

The fourth proportional to 17,972.85, 26,826.21 and 16,864.77 is: 25,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.85 : 26,826.21 = 16,864.77 : x
  2. Step 2: Convert to fraction form
    17,972.85/26,826.21 = 16,864.77/x
  3. Step 3: Cross multiply
    17,972.85x = 26,826.21 × 16,864.77
  4. Step 4: Simplify right side
    17,972.85x = 452,417,861.62
  5. Step 5: Solve for x
    x = 452,417,861.62/17,972.85
  6. Step 6: Final answer
    x = 25,172.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.