Home / 22,948.48-31,669.44-12,877.92

Finding the Fourth Proportional to 22,948.48, 31,669.44 and 12,877.92

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Solution

The fourth proportional to 22,948.48, 31,669.44 and 12,877.92 is: 17,771.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.48 : 31,669.44 = 12,877.92 : x
  2. Step 2: Convert to fraction form
    22,948.48/31,669.44 = 12,877.92/x
  3. Step 3: Cross multiply
    22,948.48x = 31,669.44 × 12,877.92
  4. Step 4: Simplify right side
    22,948.48x = 407,836,514.76
  5. Step 5: Solve for x
    x = 407,836,514.76/22,948.48
  6. Step 6: Final answer
    x = 17,771.83

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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.