Home / 19,840.59-27,377.12-11,881.13

Finding the Fourth Proportional to 19,840.59, 27,377.12 and 11,881.13

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Solution

The fourth proportional to 19,840.59, 27,377.12 and 11,881.13 is: 16,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.59 : 27,377.12 = 11,881.13 : x
  2. Step 2: Convert to fraction form
    19,840.59/27,377.12 = 11,881.13/x
  3. Step 3: Cross multiply
    19,840.59x = 27,377.12 × 11,881.13
  4. Step 4: Simplify right side
    19,840.59x = 325,271,014.56
  5. Step 5: Solve for x
    x = 325,271,014.56/19,840.59
  6. Step 6: Final answer
    x = 16,394.22

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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.