Home / 14,919.36-22,357.26-13,279.20

Finding the Fourth Proportional to 14,919.36, 22,357.26 and 13,279.20

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Solution

The fourth proportional to 14,919.36, 22,357.26 and 13,279.20 is: 19,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.36 : 22,357.26 = 13,279.20 : x
  2. Step 2: Convert to fraction form
    14,919.36/22,357.26 = 13,279.20/x
  3. Step 3: Cross multiply
    14,919.36x = 22,357.26 × 13,279.20
  4. Step 4: Simplify right side
    14,919.36x = 296,886,526.99
  5. Step 5: Solve for x
    x = 296,886,526.99/14,919.36
  6. Step 6: Final answer
    x = 19,899.41

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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.