Home / 18,755.39-25,870.23-12,030.36

Finding the Fourth Proportional to 18,755.39, 25,870.23 and 12,030.36

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Solution

The fourth proportional to 18,755.39, 25,870.23 and 12,030.36 is: 16,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.39 : 25,870.23 = 12,030.36 : x
  2. Step 2: Convert to fraction form
    18,755.39/25,870.23 = 12,030.36/x
  3. Step 3: Cross multiply
    18,755.39x = 25,870.23 × 12,030.36
  4. Step 4: Simplify right side
    18,755.39x = 311,228,180.18
  5. Step 5: Solve for x
    x = 311,228,180.18/18,755.39
  6. Step 6: Final answer
    x = 16,594.07

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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.