Home / 19,657.13-27,127.44-11,273.63

Finding the Fourth Proportional to 19,657.13, 27,127.44 and 11,273.63

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Solution

The fourth proportional to 19,657.13, 27,127.44 and 11,273.63 is: 15,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.13 : 27,127.44 = 11,273.63 : x
  2. Step 2: Convert to fraction form
    19,657.13/27,127.44 = 11,273.63/x
  3. Step 3: Cross multiply
    19,657.13x = 27,127.44 × 11,273.63
  4. Step 4: Simplify right side
    19,657.13x = 305,824,585.77
  5. Step 5: Solve for x
    x = 305,824,585.77/19,657.13
  6. Step 6: Final answer
    x = 15,557.95

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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.