Home / 26,787.24-36,967.86-18,290.70

Finding the Fourth Proportional to 26,787.24, 36,967.86 and 18,290.70

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Solution

The fourth proportional to 26,787.24, 36,967.86 and 18,290.70 is: 25,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.24 : 36,967.86 = 18,290.70 : x
  2. Step 2: Convert to fraction form
    26,787.24/36,967.86 = 18,290.70/x
  3. Step 3: Cross multiply
    26,787.24x = 36,967.86 × 18,290.70
  4. Step 4: Simplify right side
    26,787.24x = 676,168,036.90
  5. Step 5: Solve for x
    x = 676,168,036.90/26,787.24
  6. Step 6: Final answer
    x = 25,242.17

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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.