Home / 13,561.25-18,701.37-10,575.99

Finding the Fourth Proportional to 13,561.25, 18,701.37 and 10,575.99

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Solution

The fourth proportional to 13,561.25, 18,701.37 and 10,575.99 is: 14,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.25 : 18,701.37 = 10,575.99 : x
  2. Step 2: Convert to fraction form
    13,561.25/18,701.37 = 10,575.99/x
  3. Step 3: Cross multiply
    13,561.25x = 18,701.37 × 10,575.99
  4. Step 4: Simplify right side
    13,561.25x = 197,785,502.11
  5. Step 5: Solve for x
    x = 197,785,502.11/13,561.25
  6. Step 6: Final answer
    x = 14,584.61

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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.