Home / 13,225.03-18,250.71-7,256.59

Finding the Fourth Proportional to 13,225.03, 18,250.71 and 7,256.59

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Solution

The fourth proportional to 13,225.03, 18,250.71 and 7,256.59 is: 10,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.03 : 18,250.71 = 7,256.59 : x
  2. Step 2: Convert to fraction form
    13,225.03/18,250.71 = 7,256.59/x
  3. Step 3: Cross multiply
    13,225.03x = 18,250.71 × 7,256.59
  4. Step 4: Simplify right side
    13,225.03x = 132,437,919.68
  5. Step 5: Solve for x
    x = 132,437,919.68/13,225.03
  6. Step 6: Final answer
    x = 10,014.19

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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.