Home / 26,787.74-36,966.88-14,688.08

Finding the Fourth Proportional to 26,787.74, 36,966.88 and 14,688.08

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Solution

The fourth proportional to 26,787.74, 36,966.88 and 14,688.08 is: 20,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.74 : 36,966.88 = 14,688.08 : x
  2. Step 2: Convert to fraction form
    26,787.74/36,966.88 = 14,688.08/x
  3. Step 3: Cross multiply
    26,787.74x = 36,966.88 × 14,688.08
  4. Step 4: Simplify right side
    26,787.74x = 542,972,490.79
  5. Step 5: Solve for x
    x = 542,972,490.79/26,787.74
  6. Step 6: Final answer
    x = 20,269.44

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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.