Home / 13,751.46-20,628.81-10,310.58

Finding the Fourth Proportional to 13,751.46, 20,628.81 and 10,310.58

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Solution

The fourth proportional to 13,751.46, 20,628.81 and 10,310.58 is: 15,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.46 : 20,628.81 = 10,310.58 : x
  2. Step 2: Convert to fraction form
    13,751.46/20,628.81 = 10,310.58/x
  3. Step 3: Cross multiply
    13,751.46x = 20,628.81 × 10,310.58
  4. Step 4: Simplify right side
    13,751.46x = 212,694,995.81
  5. Step 5: Solve for x
    x = 212,694,995.81/13,751.46
  6. Step 6: Final answer
    x = 15,467.08

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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.