Home / 19,459.31-26,853.14-11,902.82

Finding the Fourth Proportional to 19,459.31, 26,853.14 and 11,902.82

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Solution

The fourth proportional to 19,459.31, 26,853.14 and 11,902.82 is: 16,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.31 : 26,853.14 = 11,902.82 : x
  2. Step 2: Convert to fraction form
    19,459.31/26,853.14 = 11,902.82/x
  3. Step 3: Cross multiply
    19,459.31x = 26,853.14 × 11,902.82
  4. Step 4: Simplify right side
    19,459.31x = 319,628,032.34
  5. Step 5: Solve for x
    x = 319,628,032.34/19,459.31
  6. Step 6: Final answer
    x = 16,425.46

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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.