Home / 14,007.07-19,331.09-8,040.07

Finding the Fourth Proportional to 14,007.07, 19,331.09 and 8,040.07

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Solution

The fourth proportional to 14,007.07, 19,331.09 and 8,040.07 is: 11,096.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.07 : 19,331.09 = 8,040.07 : x
  2. Step 2: Convert to fraction form
    14,007.07/19,331.09 = 8,040.07/x
  3. Step 3: Cross multiply
    14,007.07x = 19,331.09 × 8,040.07
  4. Step 4: Simplify right side
    14,007.07x = 155,423,316.78
  5. Step 5: Solve for x
    x = 155,423,316.78/14,007.07
  6. Step 6: Final answer
    x = 11,096.06

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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.