Home / 19,652.36-27,120.56-11,154.24

Finding the Fourth Proportional to 19,652.36, 27,120.56 and 11,154.24

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Solution

The fourth proportional to 19,652.36, 27,120.56 and 11,154.24 is: 15,393.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.36 : 27,120.56 = 11,154.24 : x
  2. Step 2: Convert to fraction form
    19,652.36/27,120.56 = 11,154.24/x
  3. Step 3: Cross multiply
    19,652.36x = 27,120.56 × 11,154.24
  4. Step 4: Simplify right side
    19,652.36x = 302,509,179.40
  5. Step 5: Solve for x
    x = 302,509,179.40/19,652.36
  6. Step 6: Final answer
    x = 15,393.02

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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.