Home / 22,636.35-31,237.88-12,564.77

Finding the Fourth Proportional to 22,636.35, 31,237.88 and 12,564.77

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Solution

The fourth proportional to 22,636.35, 31,237.88 and 12,564.77 is: 17,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.35 : 31,237.88 = 12,564.77 : x
  2. Step 2: Convert to fraction form
    22,636.35/31,237.88 = 12,564.77/x
  3. Step 3: Cross multiply
    22,636.35x = 31,237.88 × 12,564.77
  4. Step 4: Simplify right side
    22,636.35x = 392,496,558.47
  5. Step 5: Solve for x
    x = 392,496,558.47/22,636.35
  6. Step 6: Final answer
    x = 17,339.22

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Half scale
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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.