Home / 22,852.92-31,537.40-12,780.27

Finding the Fourth Proportional to 22,852.92, 31,537.40 and 12,780.27

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Solution

The fourth proportional to 22,852.92, 31,537.40 and 12,780.27 is: 17,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,852.92 : 31,537.40 = 12,780.27 : x
  2. Step 2: Convert to fraction form
    22,852.92/31,537.40 = 12,780.27/x
  3. Step 3: Cross multiply
    22,852.92x = 31,537.40 × 12,780.27
  4. Step 4: Simplify right side
    22,852.92x = 403,056,423.20
  5. Step 5: Solve for x
    x = 403,056,423.20/22,852.92
  6. Step 6: Final answer
    x = 17,636.98

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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.