Home / 13,783.85-19,021.66-7,496.22

Finding the Fourth Proportional to 13,783.85, 19,021.66 and 7,496.22

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Solution

The fourth proportional to 13,783.85, 19,021.66 and 7,496.22 is: 10,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.85 : 19,021.66 = 7,496.22 : x
  2. Step 2: Convert to fraction form
    13,783.85/19,021.66 = 7,496.22/x
  3. Step 3: Cross multiply
    13,783.85x = 19,021.66 × 7,496.22
  4. Step 4: Simplify right side
    13,783.85x = 142,590,548.13
  5. Step 5: Solve for x
    x = 142,590,548.13/13,783.85
  6. Step 6: Final answer
    x = 10,344.75

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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.