Home / 13,361.55-18,433.15-8,053.35

Finding the Fourth Proportional to 13,361.55, 18,433.15 and 8,053.35

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Solution

The fourth proportional to 13,361.55, 18,433.15 and 8,053.35 is: 11,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.55 : 18,433.15 = 8,053.35 : x
  2. Step 2: Convert to fraction form
    13,361.55/18,433.15 = 8,053.35/x
  3. Step 3: Cross multiply
    13,361.55x = 18,433.15 × 8,053.35
  4. Step 4: Simplify right side
    13,361.55x = 148,448,608.55
  5. Step 5: Solve for x
    x = 148,448,608.55/13,361.55
  6. Step 6: Final answer
    x = 11,110.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.