Home / 14,090.52-21,135.13-5,768.48

Finding the Fourth Proportional to 14,090.52, 21,135.13 and 5,768.48

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Solution

The fourth proportional to 14,090.52, 21,135.13 and 5,768.48 is: 8,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.52 : 21,135.13 = 5,768.48 : x
  2. Step 2: Convert to fraction form
    14,090.52/21,135.13 = 5,768.48/x
  3. Step 3: Cross multiply
    14,090.52x = 21,135.13 × 5,768.48
  4. Step 4: Simplify right side
    14,090.52x = 121,917,613.12
  5. Step 5: Solve for x
    x = 121,917,613.12/14,090.52
  6. Step 6: Final answer
    x = 8,652.45

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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.