Home / 19,051.57-26,304.01-11,892.39

Finding the Fourth Proportional to 19,051.57, 26,304.01 and 11,892.39

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Solution

The fourth proportional to 19,051.57, 26,304.01 and 11,892.39 is: 16,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.57 : 26,304.01 = 11,892.39 : x
  2. Step 2: Convert to fraction form
    19,051.57/26,304.01 = 11,892.39/x
  3. Step 3: Cross multiply
    19,051.57x = 26,304.01 × 11,892.39
  4. Step 4: Simplify right side
    19,051.57x = 312,817,545.48
  5. Step 5: Solve for x
    x = 312,817,545.48/19,051.57
  6. Step 6: Final answer
    x = 16,419.52

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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.