Home / 13,847.29-19,109.13-7,559.67

Finding the Fourth Proportional to 13,847.29, 19,109.13 and 7,559.67

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Solution

The fourth proportional to 13,847.29, 19,109.13 and 7,559.67 is: 10,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.29 : 19,109.13 = 7,559.67 : x
  2. Step 2: Convert to fraction form
    13,847.29/19,109.13 = 7,559.67/x
  3. Step 3: Cross multiply
    13,847.29x = 19,109.13 × 7,559.67
  4. Step 4: Simplify right side
    13,847.29x = 144,458,716.79
  5. Step 5: Solve for x
    x = 144,458,716.79/13,847.29
  6. Step 6: Final answer
    x = 10,432.27

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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.