Home / 22,347.23-30,837.24-12,785.18

Finding the Fourth Proportional to 22,347.23, 30,837.24 and 12,785.18

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Solution

The fourth proportional to 22,347.23, 30,837.24 and 12,785.18 is: 17,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.23 : 30,837.24 = 12,785.18 : x
  2. Step 2: Convert to fraction form
    22,347.23/30,837.24 = 12,785.18/x
  3. Step 3: Cross multiply
    22,347.23x = 30,837.24 × 12,785.18
  4. Step 4: Simplify right side
    22,347.23x = 394,259,509.92
  5. Step 5: Solve for x
    x = 394,259,509.92/22,347.23
  6. Step 6: Final answer
    x = 17,642.44

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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.