Home / 19,549.23-26,981.55-11,165.73

Finding the Fourth Proportional to 19,549.23, 26,981.55 and 11,165.73

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Solution

The fourth proportional to 19,549.23, 26,981.55 and 11,165.73 is: 15,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.23 : 26,981.55 = 11,165.73 : x
  2. Step 2: Convert to fraction form
    19,549.23/26,981.55 = 11,165.73/x
  3. Step 3: Cross multiply
    19,549.23x = 26,981.55 × 11,165.73
  4. Step 4: Simplify right side
    19,549.23x = 301,268,702.28
  5. Step 5: Solve for x
    x = 301,268,702.28/19,549.23
  6. Step 6: Final answer
    x = 15,410.77

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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.