Home / 14,040.10-19,373.87-8,072.63

Finding the Fourth Proportional to 14,040.10, 19,373.87 and 8,072.63

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Solution

The fourth proportional to 14,040.10, 19,373.87 and 8,072.63 is: 11,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.10 : 19,373.87 = 8,072.63 : x
  2. Step 2: Convert to fraction form
    14,040.10/19,373.87 = 8,072.63/x
  3. Step 3: Cross multiply
    14,040.10x = 19,373.87 × 8,072.63
  4. Step 4: Simplify right side
    14,040.10x = 156,397,946.95
  5. Step 5: Solve for x
    x = 156,397,946.95/14,040.10
  6. Step 6: Final answer
    x = 11,139.38

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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.