Home / 34,581.65-51,873.48-13,520.84

Finding the Fourth Proportional to 34,581.65, 51,873.48 and 13,520.84

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Solution

The fourth proportional to 34,581.65, 51,873.48 and 13,520.84 is: 20,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,581.65 : 51,873.48 = 13,520.84 : x
  2. Step 2: Convert to fraction form
    34,581.65/51,873.48 = 13,520.84/x
  3. Step 3: Cross multiply
    34,581.65x = 51,873.48 × 13,520.84
  4. Step 4: Simplify right side
    34,581.65x = 701,372,763.96
  5. Step 5: Solve for x
    x = 701,372,763.96/34,581.65
  6. Step 6: Final answer
    x = 20,281.65

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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.