Home / 14,025.15-20,989.13-13,443.98

Finding the Fourth Proportional to 14,025.15, 20,989.13 and 13,443.98

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Solution

The fourth proportional to 14,025.15, 20,989.13 and 13,443.98 is: 20,119.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.15 : 20,989.13 = 13,443.98 : x
  2. Step 2: Convert to fraction form
    14,025.15/20,989.13 = 13,443.98/x
  3. Step 3: Cross multiply
    14,025.15x = 20,989.13 × 13,443.98
  4. Step 4: Simplify right side
    14,025.15x = 282,177,271.77
  5. Step 5: Solve for x
    x = 282,177,271.77/14,025.15
  6. Step 6: Final answer
    x = 20,119.38

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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.