Home / 19,767.21-27,279.38-10,814.50

Finding the Fourth Proportional to 19,767.21, 27,279.38 and 10,814.50

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Solution

The fourth proportional to 19,767.21, 27,279.38 and 10,814.50 is: 14,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.21 : 27,279.38 = 10,814.50 : x
  2. Step 2: Convert to fraction form
    19,767.21/27,279.38 = 10,814.50/x
  3. Step 3: Cross multiply
    19,767.21x = 27,279.38 × 10,814.50
  4. Step 4: Simplify right side
    19,767.21x = 295,012,855.01
  5. Step 5: Solve for x
    x = 295,012,855.01/19,767.21
  6. Step 6: Final answer
    x = 14,924.35

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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.