Home / 19,621.32-27,077.54-11,237.64

Finding the Fourth Proportional to 19,621.32, 27,077.54 and 11,237.64

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Solution

The fourth proportional to 19,621.32, 27,077.54 and 11,237.64 is: 15,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.32 : 27,077.54 = 11,237.64 : x
  2. Step 2: Convert to fraction form
    19,621.32/27,077.54 = 11,237.64/x
  3. Step 3: Cross multiply
    19,621.32x = 27,077.54 × 11,237.64
  4. Step 4: Simplify right side
    19,621.32x = 304,287,646.61
  5. Step 5: Solve for x
    x = 304,287,646.61/19,621.32
  6. Step 6: Final answer
    x = 15,508.01

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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.