Home / 21,592.07-29,796.66-12,160.63

Finding the Fourth Proportional to 21,592.07, 29,796.66 and 12,160.63

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Solution

The fourth proportional to 21,592.07, 29,796.66 and 12,160.63 is: 16,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.07 : 29,796.66 = 12,160.63 : x
  2. Step 2: Convert to fraction form
    21,592.07/29,796.66 = 12,160.63/x
  3. Step 3: Cross multiply
    21,592.07x = 29,796.66 × 12,160.63
  4. Step 4: Simplify right side
    21,592.07x = 362,346,194.74
  5. Step 5: Solve for x
    x = 362,346,194.74/21,592.07
  6. Step 6: Final answer
    x = 16,781.45

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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.