Home / 26,787.30-36,967.69-15,303.22

Finding the Fourth Proportional to 26,787.30, 36,967.69 and 15,303.22

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Solution

The fourth proportional to 26,787.30, 36,967.69 and 15,303.22 is: 21,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.30 : 36,967.69 = 15,303.22 : x
  2. Step 2: Convert to fraction form
    26,787.30/36,967.69 = 15,303.22/x
  3. Step 3: Cross multiply
    26,787.30x = 36,967.69 × 15,303.22
  4. Step 4: Simplify right side
    26,787.30x = 565,724,562.28
  5. Step 5: Solve for x
    x = 565,724,562.28/26,787.30
  6. Step 6: Final answer
    x = 21,119.13

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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.