Home / 22,881.54-31,572.90-12,810.41

Finding the Fourth Proportional to 22,881.54, 31,572.90 and 12,810.41

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Solution

The fourth proportional to 22,881.54, 31,572.90 and 12,810.41 is: 17,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.54 : 31,572.90 = 12,810.41 : x
  2. Step 2: Convert to fraction form
    22,881.54/31,572.90 = 12,810.41/x
  3. Step 3: Cross multiply
    22,881.54x = 31,572.90 × 12,810.41
  4. Step 4: Simplify right side
    22,881.54x = 404,461,636.02
  5. Step 5: Solve for x
    x = 404,461,636.02/22,881.54
  6. Step 6: Final answer
    x = 17,676.33

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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.