Home / 19,840.98-27,380.52-10,888.47

Finding the Fourth Proportional to 19,840.98, 27,380.52 and 10,888.47

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Solution

The fourth proportional to 19,840.98, 27,380.52 and 10,888.47 is: 15,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.98 : 27,380.52 = 10,888.47 : x
  2. Step 2: Convert to fraction form
    19,840.98/27,380.52 = 10,888.47/x
  3. Step 3: Cross multiply
    19,840.98x = 27,380.52 × 10,888.47
  4. Step 4: Simplify right side
    19,840.98x = 298,131,970.60
  5. Step 5: Solve for x
    x = 298,131,970.60/19,840.98
  6. Step 6: Final answer
    x = 15,026.07

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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.