Home / 18,368.89-27,539.46-9,474.68

Finding the Fourth Proportional to 18,368.89, 27,539.46 and 9,474.68

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Solution

The fourth proportional to 18,368.89, 27,539.46 and 9,474.68 is: 14,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,368.89 : 27,539.46 = 9,474.68 : x
  2. Step 2: Convert to fraction form
    18,368.89/27,539.46 = 9,474.68/x
  3. Step 3: Cross multiply
    18,368.89x = 27,539.46 × 9,474.68
  4. Step 4: Simplify right side
    18,368.89x = 260,927,639.72
  5. Step 5: Solve for x
    x = 260,927,639.72/18,368.89
  6. Step 6: Final answer
    x = 14,204.87

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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.