Home / 19,445.64-26,844.12-15,202.92

Finding the Fourth Proportional to 19,445.64, 26,844.12 and 15,202.92

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Solution

The fourth proportional to 19,445.64, 26,844.12 and 15,202.92 is: 20,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.64 : 26,844.12 = 15,202.92 : x
  2. Step 2: Convert to fraction form
    19,445.64/26,844.12 = 15,202.92/x
  3. Step 3: Cross multiply
    19,445.64x = 26,844.12 × 15,202.92
  4. Step 4: Simplify right side
    19,445.64x = 408,109,008.83
  5. Step 5: Solve for x
    x = 408,109,008.83/19,445.64
  6. Step 6: Final answer
    x = 20,987.17

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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.