Home / 18,920.37-28,353.98-14,954.19

Finding the Fourth Proportional to 18,920.37, 28,353.98 and 14,954.19

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Solution

The fourth proportional to 18,920.37, 28,353.98 and 14,954.19 is: 22,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.37 : 28,353.98 = 14,954.19 : x
  2. Step 2: Convert to fraction form
    18,920.37/28,353.98 = 14,954.19/x
  3. Step 3: Cross multiply
    18,920.37x = 28,353.98 × 14,954.19
  4. Step 4: Simplify right side
    18,920.37x = 424,010,729.41
  5. Step 5: Solve for x
    x = 424,010,729.41/18,920.37
  6. Step 6: Final answer
    x = 22,410.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.