Home / 14,566.79-21,837.20-12,359.74

Finding the Fourth Proportional to 14,566.79, 21,837.20 and 12,359.74

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Solution

The fourth proportional to 14,566.79, 21,837.20 and 12,359.74 is: 18,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.79 : 21,837.20 = 12,359.74 : x
  2. Step 2: Convert to fraction form
    14,566.79/21,837.20 = 12,359.74/x
  3. Step 3: Cross multiply
    14,566.79x = 21,837.20 × 12,359.74
  4. Step 4: Simplify right side
    14,566.79x = 269,902,038.88
  5. Step 5: Solve for x
    x = 269,902,038.88/14,566.79
  6. Step 6: Final answer
    x = 18,528.59

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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.