Home / 19,868.03-27,445.86-18,818.27

Finding the Fourth Proportional to 19,868.03, 27,445.86 and 18,818.27

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Solution

The fourth proportional to 19,868.03, 27,445.86 and 18,818.27 is: 25,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.03 : 27,445.86 = 18,818.27 : x
  2. Step 2: Convert to fraction form
    19,868.03/27,445.86 = 18,818.27/x
  3. Step 3: Cross multiply
    19,868.03x = 27,445.86 × 18,818.27
  4. Step 4: Simplify right side
    19,868.03x = 516,483,466.63
  5. Step 5: Solve for x
    x = 516,483,466.63/19,868.03
  6. Step 6: Final answer
    x = 25,995.71

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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.