Home / 13,236.02-18,264.88-7,267.65

Finding the Fourth Proportional to 13,236.02, 18,264.88 and 7,267.65

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Solution

The fourth proportional to 13,236.02, 18,264.88 and 7,267.65 is: 10,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.02 : 18,264.88 = 7,267.65 : x
  2. Step 2: Convert to fraction form
    13,236.02/18,264.88 = 7,267.65/x
  3. Step 3: Cross multiply
    13,236.02x = 18,264.88 × 7,267.65
  4. Step 4: Simplify right side
    13,236.02x = 132,742,755.13
  5. Step 5: Solve for x
    x = 132,742,755.13/13,236.02
  6. Step 6: Final answer
    x = 10,028.90

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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.