Home / 22,642.68-31,261.44-14,579.88

Finding the Fourth Proportional to 22,642.68, 31,261.44 and 14,579.88

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Solution

The fourth proportional to 22,642.68, 31,261.44 and 14,579.88 is: 20,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,642.68 : 31,261.44 = 14,579.88 : x
  2. Step 2: Convert to fraction form
    22,642.68/31,261.44 = 14,579.88/x
  3. Step 3: Cross multiply
    22,642.68x = 31,261.44 × 14,579.88
  4. Step 4: Simplify right side
    22,642.68x = 455,788,043.83
  5. Step 5: Solve for x
    x = 455,788,043.83/22,642.68
  6. Step 6: Final answer
    x = 20,129.60

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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.