Home / 13,396.16-20,095.86-5,605.04

Finding the Fourth Proportional to 13,396.16, 20,095.86 and 5,605.04

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Solution

The fourth proportional to 13,396.16, 20,095.86 and 5,605.04 is: 8,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.16 : 20,095.86 = 5,605.04 : x
  2. Step 2: Convert to fraction form
    13,396.16/20,095.86 = 5,605.04/x
  3. Step 3: Cross multiply
    13,396.16x = 20,095.86 × 5,605.04
  4. Step 4: Simplify right side
    13,396.16x = 112,638,099.13
  5. Step 5: Solve for x
    x = 112,638,099.13/13,396.16
  6. Step 6: Final answer
    x = 8,408.24

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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.