Home / 18,361.56-25,337.52-10,405.03

Finding the Fourth Proportional to 18,361.56, 25,337.52 and 10,405.03

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Solution

The fourth proportional to 18,361.56, 25,337.52 and 10,405.03 is: 14,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.56 : 25,337.52 = 10,405.03 : x
  2. Step 2: Convert to fraction form
    18,361.56/25,337.52 = 10,405.03/x
  3. Step 3: Cross multiply
    18,361.56x = 25,337.52 × 10,405.03
  4. Step 4: Simplify right side
    18,361.56x = 263,637,655.73
  5. Step 5: Solve for x
    x = 263,637,655.73/18,361.56
  6. Step 6: Final answer
    x = 14,358.13

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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.