Home / 18,282.21-27,424.29-5,803.20

Finding the Fourth Proportional to 18,282.21, 27,424.29 and 5,803.20

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Solution

The fourth proportional to 18,282.21, 27,424.29 and 5,803.20 is: 8,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.21 : 27,424.29 = 5,803.20 : x
  2. Step 2: Convert to fraction form
    18,282.21/27,424.29 = 5,803.20/x
  3. Step 3: Cross multiply
    18,282.21x = 27,424.29 × 5,803.20
  4. Step 4: Simplify right side
    18,282.21x = 159,148,639.73
  5. Step 5: Solve for x
    x = 159,148,639.73/18,282.21
  6. Step 6: Final answer
    x = 8,705.11

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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.