Home / 13,718.76-20,577.73-5,392.77

Finding the Fourth Proportional to 13,718.76, 20,577.73 and 5,392.77

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Solution

The fourth proportional to 13,718.76, 20,577.73 and 5,392.77 is: 8,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.76 : 20,577.73 = 5,392.77 : x
  2. Step 2: Convert to fraction form
    13,718.76/20,577.73 = 5,392.77/x
  3. Step 3: Cross multiply
    13,718.76x = 20,577.73 × 5,392.77
  4. Step 4: Simplify right side
    13,718.76x = 110,970,965.01
  5. Step 5: Solve for x
    x = 110,970,965.01/13,718.76
  6. Step 6: Final answer
    x = 8,088.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.