Home / 13,252.44-18,288.30-7,587.18

Finding the Fourth Proportional to 13,252.44, 18,288.30 and 7,587.18

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Solution

The fourth proportional to 13,252.44, 18,288.30 and 7,587.18 is: 10,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.44 : 18,288.30 = 7,587.18 : x
  2. Step 2: Convert to fraction form
    13,252.44/18,288.30 = 7,587.18/x
  3. Step 3: Cross multiply
    13,252.44x = 18,288.30 × 7,587.18
  4. Step 4: Simplify right side
    13,252.44x = 138,756,623.99
  5. Step 5: Solve for x
    x = 138,756,623.99/13,252.44
  6. Step 6: Final answer
    x = 10,470.27

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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.