Home / 13,225.71-18,252.29-8,741.69

Finding the Fourth Proportional to 13,225.71, 18,252.29 and 8,741.69

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Solution

The fourth proportional to 13,225.71, 18,252.29 and 8,741.69 is: 12,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.71 : 18,252.29 = 8,741.69 : x
  2. Step 2: Convert to fraction form
    13,225.71/18,252.29 = 8,741.69/x
  3. Step 3: Cross multiply
    13,225.71x = 18,252.29 × 8,741.69
  4. Step 4: Simplify right side
    13,225.71x = 159,555,860.01
  5. Step 5: Solve for x
    x = 159,555,860.01/13,225.71
  6. Step 6: Final answer
    x = 12,064.06

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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.