Home / 18,325.17-27,482.31-9,555.30

Finding the Fourth Proportional to 18,325.17, 27,482.31 and 9,555.30

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Solution

The fourth proportional to 18,325.17, 27,482.31 and 9,555.30 is: 14,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.17 : 27,482.31 = 9,555.30 : x
  2. Step 2: Convert to fraction form
    18,325.17/27,482.31 = 9,555.30/x
  3. Step 3: Cross multiply
    18,325.17x = 27,482.31 × 9,555.30
  4. Step 4: Simplify right side
    18,325.17x = 262,601,716.74
  5. Step 5: Solve for x
    x = 262,601,716.74/18,325.17
  6. Step 6: Final answer
    x = 14,330.11

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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.