Home / 13,607.29-20,416.19-5,293.18

Finding the Fourth Proportional to 13,607.29, 20,416.19 and 5,293.18

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Solution

The fourth proportional to 13,607.29, 20,416.19 and 5,293.18 is: 7,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.29 : 20,416.19 = 5,293.18 : x
  2. Step 2: Convert to fraction form
    13,607.29/20,416.19 = 5,293.18/x
  3. Step 3: Cross multiply
    13,607.29x = 20,416.19 × 5,293.18
  4. Step 4: Simplify right side
    13,607.29x = 108,066,567.64
  5. Step 5: Solve for x
    x = 108,066,567.64/13,607.29
  6. Step 6: Final answer
    x = 7,941.81

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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.