Home / 18,568.42-25,626.50-12,901.66

Finding the Fourth Proportional to 18,568.42, 25,626.50 and 12,901.66

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Solution

The fourth proportional to 18,568.42, 25,626.50 and 12,901.66 is: 17,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.42 : 25,626.50 = 12,901.66 : x
  2. Step 2: Convert to fraction form
    18,568.42/25,626.50 = 12,901.66/x
  3. Step 3: Cross multiply
    18,568.42x = 25,626.50 × 12,901.66
  4. Step 4: Simplify right side
    18,568.42x = 330,624,389.99
  5. Step 5: Solve for x
    x = 330,624,389.99/18,568.42
  6. Step 6: Final answer
    x = 17,805.74

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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.