Home / 13,495.02-18,618.22-7,826.64

Finding the Fourth Proportional to 13,495.02, 18,618.22 and 7,826.64

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Solution

The fourth proportional to 13,495.02, 18,618.22 and 7,826.64 is: 10,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.02 : 18,618.22 = 7,826.64 : x
  2. Step 2: Convert to fraction form
    13,495.02/18,618.22 = 7,826.64/x
  3. Step 3: Cross multiply
    13,495.02x = 18,618.22 × 7,826.64
  4. Step 4: Simplify right side
    13,495.02x = 145,718,105.38
  5. Step 5: Solve for x
    x = 145,718,105.38/13,495.02
  6. Step 6: Final answer
    x = 10,797.92

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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.