Home / 13,180.32-19,751.04-7,335.36

Finding the Fourth Proportional to 13,180.32, 19,751.04 and 7,335.36

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Solution

The fourth proportional to 13,180.32, 19,751.04 and 7,335.36 is: 10,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.32 : 19,751.04 = 7,335.36 : x
  2. Step 2: Convert to fraction form
    13,180.32/19,751.04 = 7,335.36/x
  3. Step 3: Cross multiply
    13,180.32x = 19,751.04 × 7,335.36
  4. Step 4: Simplify right side
    13,180.32x = 144,880,988.77
  5. Step 5: Solve for x
    x = 144,880,988.77/13,180.32
  6. Step 6: Final answer
    x = 10,992.22

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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.