Home / 19,411.50-26,787.87-11,029.62

Finding the Fourth Proportional to 19,411.50, 26,787.87 and 11,029.62

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Solution

The fourth proportional to 19,411.50, 26,787.87 and 11,029.62 is: 15,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.50 : 26,787.87 = 11,029.62 : x
  2. Step 2: Convert to fraction form
    19,411.50/26,787.87 = 11,029.62/x
  3. Step 3: Cross multiply
    19,411.50x = 26,787.87 × 11,029.62
  4. Step 4: Simplify right side
    19,411.50x = 295,460,026.71
  5. Step 5: Solve for x
    x = 295,460,026.71/19,411.50
  6. Step 6: Final answer
    x = 15,220.88

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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.