Home / 14,193.72-19,588.32-7,906.32

Finding the Fourth Proportional to 14,193.72, 19,588.32 and 7,906.32

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Solution

The fourth proportional to 14,193.72, 19,588.32 and 7,906.32 is: 10,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.72 : 19,588.32 = 7,906.32 : x
  2. Step 2: Convert to fraction form
    14,193.72/19,588.32 = 7,906.32/x
  3. Step 3: Cross multiply
    14,193.72x = 19,588.32 × 7,906.32
  4. Step 4: Simplify right side
    14,193.72x = 154,871,526.18
  5. Step 5: Solve for x
    x = 154,871,526.18/14,193.72
  6. Step 6: Final answer
    x = 10,911.27

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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.