Home / 19,948.15-27,328.85-19,200.32

Finding the Fourth Proportional to 19,948.15, 27,328.85 and 19,200.32

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Solution

The fourth proportional to 19,948.15, 27,328.85 and 19,200.32 is: 26,304.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.15 : 27,328.85 = 19,200.32 : x
  2. Step 2: Convert to fraction form
    19,948.15/27,328.85 = 19,200.32/x
  3. Step 3: Cross multiply
    19,948.15x = 27,328.85 × 19,200.32
  4. Step 4: Simplify right side
    19,948.15x = 524,722,576.59
  5. Step 5: Solve for x
    x = 524,722,576.59/19,948.15
  6. Step 6: Final answer
    x = 26,304.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.