Home / 13,612.68-18,801.35-10,896.67

Finding the Fourth Proportional to 13,612.68, 18,801.35 and 10,896.67

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Solution

The fourth proportional to 13,612.68, 18,801.35 and 10,896.67 is: 15,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.68 : 18,801.35 = 10,896.67 : x
  2. Step 2: Convert to fraction form
    13,612.68/18,801.35 = 10,896.67/x
  3. Step 3: Cross multiply
    13,612.68x = 18,801.35 × 10,896.67
  4. Step 4: Simplify right side
    13,612.68x = 204,872,106.50
  5. Step 5: Solve for x
    x = 204,872,106.50/13,612.68
  6. Step 6: Final answer
    x = 15,050.09

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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.