Home / 18,637.02-27,955.76-7,395.12

Finding the Fourth Proportional to 18,637.02, 27,955.76 and 7,395.12

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Solution

The fourth proportional to 18,637.02, 27,955.76 and 7,395.12 is: 11,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.02 : 27,955.76 = 7,395.12 : x
  2. Step 2: Convert to fraction form
    18,637.02/27,955.76 = 7,395.12/x
  3. Step 3: Cross multiply
    18,637.02x = 27,955.76 × 7,395.12
  4. Step 4: Simplify right side
    18,637.02x = 206,736,162.92
  5. Step 5: Solve for x
    x = 206,736,162.92/18,637.02
  6. Step 6: Final answer
    x = 11,092.77

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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.