Home / 14,244.74-21,198.91-13,771.76

Finding the Fourth Proportional to 14,244.74, 21,198.91 and 13,771.76

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Solution

The fourth proportional to 14,244.74, 21,198.91 and 13,771.76 is: 20,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.74 : 21,198.91 = 13,771.76 : x
  2. Step 2: Convert to fraction form
    14,244.74/21,198.91 = 13,771.76/x
  3. Step 3: Cross multiply
    14,244.74x = 21,198.91 × 13,771.76
  4. Step 4: Simplify right side
    14,244.74x = 291,946,300.78
  5. Step 5: Solve for x
    x = 291,946,300.78/14,244.74
  6. Step 6: Final answer
    x = 20,495.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.