Home / 13,225.15-18,250.98-7,256.83

Finding the Fourth Proportional to 13,225.15, 18,250.98 and 7,256.83

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Solution

The fourth proportional to 13,225.15, 18,250.98 and 7,256.83 is: 10,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.15 : 18,250.98 = 7,256.83 : x
  2. Step 2: Convert to fraction form
    13,225.15/18,250.98 = 7,256.83/x
  3. Step 3: Cross multiply
    13,225.15x = 18,250.98 × 7,256.83
  4. Step 4: Simplify right side
    13,225.15x = 132,444,259.19
  5. Step 5: Solve for x
    x = 132,444,259.19/13,225.15
  6. Step 6: Final answer
    x = 10,014.58

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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.