Home / 23,155.74-31,954.70-13,595.85

Finding the Fourth Proportional to 23,155.74, 31,954.70 and 13,595.85

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Solution

The fourth proportional to 23,155.74, 31,954.70 and 13,595.85 is: 18,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,155.74 : 31,954.70 = 13,595.85 : x
  2. Step 2: Convert to fraction form
    23,155.74/31,954.70 = 13,595.85/x
  3. Step 3: Cross multiply
    23,155.74x = 31,954.70 × 13,595.85
  4. Step 4: Simplify right side
    23,155.74x = 434,451,341.98
  5. Step 5: Solve for x
    x = 434,451,341.98/23,155.74
  6. Step 6: Final answer
    x = 18,762.14

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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.