Home / 13,039.32-19,557-4,274.04

Finding the Fourth Proportional to 13,039.32, 19,557 and 4,274.04

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Solution

The fourth proportional to 13,039.32, 19,557 and 4,274.04 is: 6,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.32 : 19,557 = 4,274.04 : x
  2. Step 2: Convert to fraction form
    13,039.32/19,557 = 4,274.04/x
  3. Step 3: Cross multiply
    13,039.32x = 19,557 × 4,274.04
  4. Step 4: Simplify right side
    13,039.32x = 83,587,400.28
  5. Step 5: Solve for x
    x = 83,587,400.28/13,039.32
  6. Step 6: Final answer
    x = 6,410.41

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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.