Home / 13,858.73-19,125.01-7,571.15

Finding the Fourth Proportional to 13,858.73, 19,125.01 and 7,571.15

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Solution

The fourth proportional to 13,858.73, 19,125.01 and 7,571.15 is: 10,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.73 : 19,125.01 = 7,571.15 : x
  2. Step 2: Convert to fraction form
    13,858.73/19,125.01 = 7,571.15/x
  3. Step 3: Cross multiply
    13,858.73x = 19,125.01 × 7,571.15
  4. Step 4: Simplify right side
    13,858.73x = 144,798,319.46
  5. Step 5: Solve for x
    x = 144,798,319.46/13,858.73
  6. Step 6: Final answer
    x = 10,448.17

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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.