Home / 19,829.13-27,364.19-11,445.63

Finding the Fourth Proportional to 19,829.13, 27,364.19 and 11,445.63

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Solution

The fourth proportional to 19,829.13, 27,364.19 and 11,445.63 is: 15,794.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.13 : 27,364.19 = 11,445.63 : x
  2. Step 2: Convert to fraction form
    19,829.13/27,364.19 = 11,445.63/x
  3. Step 3: Cross multiply
    19,829.13x = 27,364.19 × 11,445.63
  4. Step 4: Simplify right side
    19,829.13x = 313,200,393.99
  5. Step 5: Solve for x
    x = 313,200,393.99/19,829.13
  6. Step 6: Final answer
    x = 15,794.96

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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.