Home / 19,959.21-29,886.03-12,051.18

Finding the Fourth Proportional to 19,959.21, 29,886.03 and 12,051.18

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Solution

The fourth proportional to 19,959.21, 29,886.03 and 12,051.18 is: 18,044.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.21 : 29,886.03 = 12,051.18 : x
  2. Step 2: Convert to fraction form
    19,959.21/29,886.03 = 12,051.18/x
  3. Step 3: Cross multiply
    19,959.21x = 29,886.03 × 12,051.18
  4. Step 4: Simplify right side
    19,959.21x = 360,161,927.02
  5. Step 5: Solve for x
    x = 360,161,927.02/19,959.21
  6. Step 6: Final answer
    x = 18,044.90

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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.