Home / 26,355.70-36,317.03-18,785.95

Finding the Fourth Proportional to 26,355.70, 36,317.03 and 18,785.95

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Solution

The fourth proportional to 26,355.70, 36,317.03 and 18,785.95 is: 25,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.70 : 36,317.03 = 18,785.95 : x
  2. Step 2: Convert to fraction form
    26,355.70/36,317.03 = 18,785.95/x
  3. Step 3: Cross multiply
    26,355.70x = 36,317.03 × 18,785.95
  4. Step 4: Simplify right side
    26,355.70x = 682,249,985.65
  5. Step 5: Solve for x
    x = 682,249,985.65/26,355.70
  6. Step 6: Final answer
    x = 25,886.24

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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.