Home / 18,795.58-25,926.51-12,422.23

Finding the Fourth Proportional to 18,795.58, 25,926.51 and 12,422.23

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Solution

The fourth proportional to 18,795.58, 25,926.51 and 12,422.23 is: 17,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.58 : 25,926.51 = 12,422.23 : x
  2. Step 2: Convert to fraction form
    18,795.58/25,926.51 = 12,422.23/x
  3. Step 3: Cross multiply
    18,795.58x = 25,926.51 × 12,422.23
  4. Step 4: Simplify right side
    18,795.58x = 322,065,070.32
  5. Step 5: Solve for x
    x = 322,065,070.32/18,795.58
  6. Step 6: Final answer
    x = 17,135.15

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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.