Home / 28,626.20-39,496.08-18,555.07

Finding the Fourth Proportional to 28,626.20, 39,496.08 and 18,555.07

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Solution

The fourth proportional to 28,626.20, 39,496.08 and 18,555.07 is: 25,600.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.20 : 39,496.08 = 18,555.07 : x
  2. Step 2: Convert to fraction form
    28,626.20/39,496.08 = 18,555.07/x
  3. Step 3: Cross multiply
    28,626.20x = 39,496.08 × 18,555.07
  4. Step 4: Simplify right side
    28,626.20x = 732,852,529.13
  5. Step 5: Solve for x
    x = 732,852,529.13/28,626.20
  6. Step 6: Final answer
    x = 25,600.76

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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.