Home / 14,002.11-19,322.91-7,714.50

Finding the Fourth Proportional to 14,002.11, 19,322.91 and 7,714.50

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Solution

The fourth proportional to 14,002.11, 19,322.91 and 7,714.50 is: 10,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.11 : 19,322.91 = 7,714.50 : x
  2. Step 2: Convert to fraction form
    14,002.11/19,322.91 = 7,714.50/x
  3. Step 3: Cross multiply
    14,002.11x = 19,322.91 × 7,714.50
  4. Step 4: Simplify right side
    14,002.11x = 149,066,589.20
  5. Step 5: Solve for x
    x = 149,066,589.20/14,002.11
  6. Step 6: Final answer
    x = 10,646.01

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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.