Home / 22,262.60-30,722.09-12,702.23

Finding the Fourth Proportional to 22,262.60, 30,722.09 and 12,702.23

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Solution

The fourth proportional to 22,262.60, 30,722.09 and 12,702.23 is: 17,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.60 : 30,722.09 = 12,702.23 : x
  2. Step 2: Convert to fraction form
    22,262.60/30,722.09 = 12,702.23/x
  3. Step 3: Cross multiply
    22,262.60x = 30,722.09 × 12,702.23
  4. Step 4: Simplify right side
    22,262.60x = 390,239,053.26
  5. Step 5: Solve for x
    x = 390,239,053.26/22,262.60
  6. Step 6: Final answer
    x = 17,528.91

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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.