Home / 14,130.24-21,195.66-3,742.26

Finding the Fourth Proportional to 14,130.24, 21,195.66 and 3,742.26

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Solution

The fourth proportional to 14,130.24, 21,195.66 and 3,742.26 is: 5,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.24 : 21,195.66 = 3,742.26 : x
  2. Step 2: Convert to fraction form
    14,130.24/21,195.66 = 3,742.26/x
  3. Step 3: Cross multiply
    14,130.24x = 21,195.66 × 3,742.26
  4. Step 4: Simplify right side
    14,130.24x = 79,319,670.59
  5. Step 5: Solve for x
    x = 79,319,670.59/14,130.24
  6. Step 6: Final answer
    x = 5,613.47

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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.