Home / 17,571.40-26,333.10-11,312.20

Finding the Fourth Proportional to 17,571.40, 26,333.10 and 11,312.20

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Solution

The fourth proportional to 17,571.40, 26,333.10 and 11,312.20 is: 16,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,571.40 : 26,333.10 = 11,312.20 : x
  2. Step 2: Convert to fraction form
    17,571.40/26,333.10 = 11,312.20/x
  3. Step 3: Cross multiply
    17,571.40x = 26,333.10 × 11,312.20
  4. Step 4: Simplify right side
    17,571.40x = 297,885,293.82
  5. Step 5: Solve for x
    x = 297,885,293.82/17,571.40
  6. Step 6: Final answer
    x = 16,952.85

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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.