Home / 19,311.75-26,647.13-10,814.24

Finding the Fourth Proportional to 19,311.75, 26,647.13 and 10,814.24

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Solution

The fourth proportional to 19,311.75, 26,647.13 and 10,814.24 is: 14,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.75 : 26,647.13 = 10,814.24 : x
  2. Step 2: Convert to fraction form
    19,311.75/26,647.13 = 10,814.24/x
  3. Step 3: Cross multiply
    19,311.75x = 26,647.13 × 10,814.24
  4. Step 4: Simplify right side
    19,311.75x = 288,168,552.78
  5. Step 5: Solve for x
    x = 288,168,552.78/19,311.75
  6. Step 6: Final answer
    x = 14,921.93

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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.