Home / 19,065.16-26,311.38-11,997.64

Finding the Fourth Proportional to 19,065.16, 26,311.38 and 11,997.64

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Solution

The fourth proportional to 19,065.16, 26,311.38 and 11,997.64 is: 16,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.16 : 26,311.38 = 11,997.64 : x
  2. Step 2: Convert to fraction form
    19,065.16/26,311.38 = 11,997.64/x
  3. Step 3: Cross multiply
    19,065.16x = 26,311.38 × 11,997.64
  4. Step 4: Simplify right side
    19,065.16x = 315,674,465.14
  5. Step 5: Solve for x
    x = 315,674,465.14/19,065.16
  6. Step 6: Final answer
    x = 16,557.66

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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.