Home / 13,372.74-20,059.02-10,453.50

Finding the Fourth Proportional to 13,372.74, 20,059.02 and 10,453.50

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Solution

The fourth proportional to 13,372.74, 20,059.02 and 10,453.50 is: 15,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.74 : 20,059.02 = 10,453.50 : x
  2. Step 2: Convert to fraction form
    13,372.74/20,059.02 = 10,453.50/x
  3. Step 3: Cross multiply
    13,372.74x = 20,059.02 × 10,453.50
  4. Step 4: Simplify right side
    13,372.74x = 209,686,965.57
  5. Step 5: Solve for x
    x = 209,686,965.57/13,372.74
  6. Step 6: Final answer
    x = 15,680.18

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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.