Home / 19,542.64-26,970.60-11,161.84

Finding the Fourth Proportional to 19,542.64, 26,970.60 and 11,161.84

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Solution

The fourth proportional to 19,542.64, 26,970.60 and 11,161.84 is: 15,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.64 : 26,970.60 = 11,161.84 : x
  2. Step 2: Convert to fraction form
    19,542.64/26,970.60 = 11,161.84/x
  3. Step 3: Cross multiply
    19,542.64x = 26,970.60 × 11,161.84
  4. Step 4: Simplify right side
    19,542.64x = 301,041,521.90
  5. Step 5: Solve for x
    x = 301,041,521.90/19,542.64
  6. Step 6: Final answer
    x = 15,404.34

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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.