Home / 13,836.11-19,095.45-7,868.67

Finding the Fourth Proportional to 13,836.11, 19,095.45 and 7,868.67

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Solution

The fourth proportional to 13,836.11, 19,095.45 and 7,868.67 is: 10,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.11 : 19,095.45 = 7,868.67 : x
  2. Step 2: Convert to fraction form
    13,836.11/19,095.45 = 7,868.67/x
  3. Step 3: Cross multiply
    13,836.11x = 19,095.45 × 7,868.67
  4. Step 4: Simplify right side
    13,836.11x = 150,255,794.55
  5. Step 5: Solve for x
    x = 150,255,794.55/13,836.11
  6. Step 6: Final answer
    x = 10,859.69

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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.