Home / 26,825.53-40,239.14-12,787.08

Finding the Fourth Proportional to 26,825.53, 40,239.14 and 12,787.08

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Solution

The fourth proportional to 26,825.53, 40,239.14 and 12,787.08 is: 19,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.53 : 40,239.14 = 12,787.08 : x
  2. Step 2: Convert to fraction form
    26,825.53/40,239.14 = 12,787.08/x
  3. Step 3: Cross multiply
    26,825.53x = 40,239.14 × 12,787.08
  4. Step 4: Simplify right side
    26,825.53x = 514,541,038.38
  5. Step 5: Solve for x
    x = 514,541,038.38/26,825.53
  6. Step 6: Final answer
    x = 19,181.02

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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.