Home / 13,901.60-20,851.32-6,504.14

Finding the Fourth Proportional to 13,901.60, 20,851.32 and 6,504.14

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Solution

The fourth proportional to 13,901.60, 20,851.32 and 6,504.14 is: 9,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.60 : 20,851.32 = 6,504.14 : x
  2. Step 2: Convert to fraction form
    13,901.60/20,851.32 = 6,504.14/x
  3. Step 3: Cross multiply
    13,901.60x = 20,851.32 × 6,504.14
  4. Step 4: Simplify right side
    13,901.60x = 135,619,904.46
  5. Step 5: Solve for x
    x = 135,619,904.46/13,901.60
  6. Step 6: Final answer
    x = 9,755.70

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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.