Home / 13,111.03-19,666.86-4,346.02

Finding the Fourth Proportional to 13,111.03, 19,666.86 and 4,346.02

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Solution

The fourth proportional to 13,111.03, 19,666.86 and 4,346.02 is: 6,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.03 : 19,666.86 = 4,346.02 : x
  2. Step 2: Convert to fraction form
    13,111.03/19,666.86 = 4,346.02/x
  3. Step 3: Cross multiply
    13,111.03x = 19,666.86 × 4,346.02
  4. Step 4: Simplify right side
    13,111.03x = 85,472,566.90
  5. Step 5: Solve for x
    x = 85,472,566.90/13,111.03
  6. Step 6: Final answer
    x = 6,519.13

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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.