Home / 22,263.22-30,730.08-12,838.06

Finding the Fourth Proportional to 22,263.22, 30,730.08 and 12,838.06

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Solution

The fourth proportional to 22,263.22, 30,730.08 and 12,838.06 is: 17,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.22 : 30,730.08 = 12,838.06 : x
  2. Step 2: Convert to fraction form
    22,263.22/30,730.08 = 12,838.06/x
  3. Step 3: Cross multiply
    22,263.22x = 30,730.08 × 12,838.06
  4. Step 4: Simplify right side
    22,263.22x = 394,514,610.84
  5. Step 5: Solve for x
    x = 394,514,610.84/22,263.22
  6. Step 6: Final answer
    x = 17,720.47

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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.