Home / 22,712.83-31,342.14-14,214.59

Finding the Fourth Proportional to 22,712.83, 31,342.14 and 14,214.59

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Solution

The fourth proportional to 22,712.83, 31,342.14 and 14,214.59 is: 19,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.83 : 31,342.14 = 14,214.59 : x
  2. Step 2: Convert to fraction form
    22,712.83/31,342.14 = 14,214.59/x
  3. Step 3: Cross multiply
    22,712.83x = 31,342.14 × 14,214.59
  4. Step 4: Simplify right side
    22,712.83x = 445,515,630.64
  5. Step 5: Solve for x
    x = 445,515,630.64/22,712.83
  6. Step 6: Final answer
    x = 19,615.15

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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.