Home / 13,859.08-19,125.86-7,572.04

Finding the Fourth Proportional to 13,859.08, 19,125.86 and 7,572.04

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Solution

The fourth proportional to 13,859.08, 19,125.86 and 7,572.04 is: 10,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.08 : 19,125.86 = 7,572.04 : x
  2. Step 2: Convert to fraction form
    13,859.08/19,125.86 = 7,572.04/x
  3. Step 3: Cross multiply
    13,859.08x = 19,125.86 × 7,572.04
  4. Step 4: Simplify right side
    13,859.08x = 144,821,776.95
  5. Step 5: Solve for x
    x = 144,821,776.95/13,859.08
  6. Step 6: Final answer
    x = 10,449.60

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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.