Home / 13,929.37-19,222.19-7,796.99

Finding the Fourth Proportional to 13,929.37, 19,222.19 and 7,796.99

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Solution

The fourth proportional to 13,929.37, 19,222.19 and 7,796.99 is: 10,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.37 : 19,222.19 = 7,796.99 : x
  2. Step 2: Convert to fraction form
    13,929.37/19,222.19 = 7,796.99/x
  3. Step 3: Cross multiply
    13,929.37x = 19,222.19 × 7,796.99
  4. Step 4: Simplify right side
    13,929.37x = 149,875,088.11
  5. Step 5: Solve for x
    x = 149,875,088.11/13,929.37
  6. Step 6: Final answer
    x = 10,759.65

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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.