Home / 18,360.47-27,521.76-7,262.66

Finding the Fourth Proportional to 18,360.47, 27,521.76 and 7,262.66

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Solution

The fourth proportional to 18,360.47, 27,521.76 and 7,262.66 is: 10,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.47 : 27,521.76 = 7,262.66 : x
  2. Step 2: Convert to fraction form
    18,360.47/27,521.76 = 7,262.66/x
  3. Step 3: Cross multiply
    18,360.47x = 27,521.76 × 7,262.66
  4. Step 4: Simplify right side
    18,360.47x = 199,881,185.48
  5. Step 5: Solve for x
    x = 199,881,185.48/18,360.47
  6. Step 6: Final answer
    x = 10,886.50

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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.