Home / 13,901.71-20,852.58-3,513.46

Finding the Fourth Proportional to 13,901.71, 20,852.58 and 3,513.46

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Solution

The fourth proportional to 13,901.71, 20,852.58 and 3,513.46 is: 5,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.71 : 20,852.58 = 3,513.46 : x
  2. Step 2: Convert to fraction form
    13,901.71/20,852.58 = 3,513.46/x
  3. Step 3: Cross multiply
    13,901.71x = 20,852.58 × 3,513.46
  4. Step 4: Simplify right side
    13,901.71x = 73,264,705.73
  5. Step 5: Solve for x
    x = 73,264,705.73/13,901.71
  6. Step 6: Final answer
    x = 5,270.19

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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.