Home / 13,235.13-18,264.80-7,266.90

Finding the Fourth Proportional to 13,235.13, 18,264.80 and 7,266.90

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Solution

The fourth proportional to 13,235.13, 18,264.80 and 7,266.90 is: 10,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.13 : 18,264.80 = 7,266.90 : x
  2. Step 2: Convert to fraction form
    13,235.13/18,264.80 = 7,266.90/x
  3. Step 3: Cross multiply
    13,235.13x = 18,264.80 × 7,266.90
  4. Step 4: Simplify right side
    13,235.13x = 132,728,475.12
  5. Step 5: Solve for x
    x = 132,728,475.12/13,235.13
  6. Step 6: Final answer
    x = 10,028.50

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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.