Home / 13,859.46-19,125.16-7,571.83

Finding the Fourth Proportional to 13,859.46, 19,125.16 and 7,571.83

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Solution

The fourth proportional to 13,859.46, 19,125.16 and 7,571.83 is: 10,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.46 : 19,125.16 = 7,571.83 : x
  2. Step 2: Convert to fraction form
    13,859.46/19,125.16 = 7,571.83/x
  3. Step 3: Cross multiply
    13,859.46x = 19,125.16 × 7,571.83
  4. Step 4: Simplify right side
    13,859.46x = 144,812,460.24
  5. Step 5: Solve for x
    x = 144,812,460.24/13,859.46
  6. Step 6: Final answer
    x = 10,448.64

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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.