Home / 19,397.18-26,766.03-13,022.48

Finding the Fourth Proportional to 19,397.18, 26,766.03 and 13,022.48

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Solution

The fourth proportional to 19,397.18, 26,766.03 and 13,022.48 is: 17,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.18 : 26,766.03 = 13,022.48 : x
  2. Step 2: Convert to fraction form
    19,397.18/26,766.03 = 13,022.48/x
  3. Step 3: Cross multiply
    19,397.18x = 26,766.03 × 13,022.48
  4. Step 4: Simplify right side
    19,397.18x = 348,560,090.35
  5. Step 5: Solve for x
    x = 348,560,090.35/19,397.18
  6. Step 6: Final answer
    x = 17,969.63

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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.