Home / 13,589.51-18,733.86-9,544.05

Finding the Fourth Proportional to 13,589.51, 18,733.86 and 9,544.05

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Solution

The fourth proportional to 13,589.51, 18,733.86 and 9,544.05 is: 13,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.51 : 18,733.86 = 9,544.05 : x
  2. Step 2: Convert to fraction form
    13,589.51/18,733.86 = 9,544.05/x
  3. Step 3: Cross multiply
    13,589.51x = 18,733.86 × 9,544.05
  4. Step 4: Simplify right side
    13,589.51x = 178,796,896.53
  5. Step 5: Solve for x
    x = 178,796,896.53/13,589.51
  6. Step 6: Final answer
    x = 13,156.98

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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.