Home / 22,853.37-31,537.02-12,781.83

Finding the Fourth Proportional to 22,853.37, 31,537.02 and 12,781.83

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Solution

The fourth proportional to 22,853.37, 31,537.02 and 12,781.83 is: 17,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,853.37 : 31,537.02 = 12,781.83 : x
  2. Step 2: Convert to fraction form
    22,853.37/31,537.02 = 12,781.83/x
  3. Step 3: Cross multiply
    22,853.37x = 31,537.02 × 12,781.83
  4. Step 4: Simplify right side
    22,853.37x = 403,100,828.35
  5. Step 5: Solve for x
    x = 403,100,828.35/22,853.37
  6. Step 6: Final answer
    x = 17,638.57

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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.