Home / 13,812.97-19,061.99-7,525.35

Finding the Fourth Proportional to 13,812.97, 19,061.99 and 7,525.35

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Solution

The fourth proportional to 13,812.97, 19,061.99 and 7,525.35 is: 10,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.97 : 19,061.99 = 7,525.35 : x
  2. Step 2: Convert to fraction form
    13,812.97/19,061.99 = 7,525.35/x
  3. Step 3: Cross multiply
    13,812.97x = 19,061.99 × 7,525.35
  4. Step 4: Simplify right side
    13,812.97x = 143,448,146.45
  5. Step 5: Solve for x
    x = 143,448,146.45/13,812.97
  6. Step 6: Final answer
    x = 10,385.03

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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.