Home / 18,299.04-27,447.92-7,762.28

Finding the Fourth Proportional to 18,299.04, 27,447.92 and 7,762.28

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Solution

The fourth proportional to 18,299.04, 27,447.92 and 7,762.28 is: 11,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.04 : 27,447.92 = 7,762.28 : x
  2. Step 2: Convert to fraction form
    18,299.04/27,447.92 = 7,762.28/x
  3. Step 3: Cross multiply
    18,299.04x = 27,447.92 × 7,762.28
  4. Step 4: Simplify right side
    18,299.04x = 213,058,440.46
  5. Step 5: Solve for x
    x = 213,058,440.46/18,299.04
  6. Step 6: Final answer
    x = 11,643.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.