Home / 14,007.40-19,331.97-8,040.94

Finding the Fourth Proportional to 14,007.40, 19,331.97 and 8,040.94

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Solution

The fourth proportional to 14,007.40, 19,331.97 and 8,040.94 is: 11,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.40 : 19,331.97 = 8,040.94 : x
  2. Step 2: Convert to fraction form
    14,007.40/19,331.97 = 8,040.94/x
  3. Step 3: Cross multiply
    14,007.40x = 19,331.97 × 8,040.94
  4. Step 4: Simplify right side
    14,007.40x = 155,447,132.37
  5. Step 5: Solve for x
    x = 155,447,132.37/14,007.40
  6. Step 6: Final answer
    x = 11,097.50

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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.