Home / 17,545.70-26,322.88-12,361.70

Finding the Fourth Proportional to 17,545.70, 26,322.88 and 12,361.70

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Solution

The fourth proportional to 17,545.70, 26,322.88 and 12,361.70 is: 18,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,545.70 : 26,322.88 = 12,361.70 : x
  2. Step 2: Convert to fraction form
    17,545.70/26,322.88 = 12,361.70/x
  3. Step 3: Cross multiply
    17,545.70x = 26,322.88 × 12,361.70
  4. Step 4: Simplify right side
    17,545.70x = 325,395,545.70
  5. Step 5: Solve for x
    x = 325,395,545.70/17,545.70
  6. Step 6: Final answer
    x = 18,545.60

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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.