Home / 18,755.26-25,870.06-12,030.23

Finding the Fourth Proportional to 18,755.26, 25,870.06 and 12,030.23

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Solution

The fourth proportional to 18,755.26, 25,870.06 and 12,030.23 is: 16,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.26 : 25,870.06 = 12,030.23 : x
  2. Step 2: Convert to fraction form
    18,755.26/25,870.06 = 12,030.23/x
  3. Step 3: Cross multiply
    18,755.26x = 25,870.06 × 12,030.23
  4. Step 4: Simplify right side
    18,755.26x = 311,222,851.63
  5. Step 5: Solve for x
    x = 311,222,851.63/18,755.26
  6. Step 6: Final answer
    x = 16,593.90

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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.