Home / 19,548.28-26,976-11,164.80

Finding the Fourth Proportional to 19,548.28, 26,976 and 11,164.80

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Solution

The fourth proportional to 19,548.28, 26,976 and 11,164.80 is: 15,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,548.28 : 26,976 = 11,164.80 : x
  2. Step 2: Convert to fraction form
    19,548.28/26,976 = 11,164.80/x
  3. Step 3: Cross multiply
    19,548.28x = 26,976 × 11,164.80
  4. Step 4: Simplify right side
    19,548.28x = 301,181,644.80
  5. Step 5: Solve for x
    x = 301,181,644.80/19,548.28
  6. Step 6: Final answer
    x = 15,407.07

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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.