Home / 19,342.38-26,692.74-11,787.72

Finding the Fourth Proportional to 19,342.38, 26,692.74 and 11,787.72

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Solution

The fourth proportional to 19,342.38, 26,692.74 and 11,787.72 is: 16,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.38 : 26,692.74 = 11,787.72 : x
  2. Step 2: Convert to fraction form
    19,342.38/26,692.74 = 11,787.72/x
  3. Step 3: Cross multiply
    19,342.38x = 26,692.74 × 11,787.72
  4. Step 4: Simplify right side
    19,342.38x = 314,646,545.15
  5. Step 5: Solve for x
    x = 314,646,545.15/19,342.38
  6. Step 6: Final answer
    x = 16,267.21

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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.