Home / 13,507.16-20,260.53-6,929.55

Finding the Fourth Proportional to 13,507.16, 20,260.53 and 6,929.55

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Solution

The fourth proportional to 13,507.16, 20,260.53 and 6,929.55 is: 10,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.16 : 20,260.53 = 6,929.55 : x
  2. Step 2: Convert to fraction form
    13,507.16/20,260.53 = 6,929.55/x
  3. Step 3: Cross multiply
    13,507.16x = 20,260.53 × 6,929.55
  4. Step 4: Simplify right side
    13,507.16x = 140,396,355.66
  5. Step 5: Solve for x
    x = 140,396,355.66/13,507.16
  6. Step 6: Final answer
    x = 10,394.22

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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.