Home / 26,946.16-40,400.88-13,787.80

Finding the Fourth Proportional to 26,946.16, 40,400.88 and 13,787.80

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Solution

The fourth proportional to 26,946.16, 40,400.88 and 13,787.80 is: 20,672.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.16 : 40,400.88 = 13,787.80 : x
  2. Step 2: Convert to fraction form
    26,946.16/40,400.88 = 13,787.80/x
  3. Step 3: Cross multiply
    26,946.16x = 40,400.88 × 13,787.80
  4. Step 4: Simplify right side
    26,946.16x = 557,039,253.26
  5. Step 5: Solve for x
    x = 557,039,253.26/26,946.16
  6. Step 6: Final answer
    x = 20,672.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.