Home / 14,579.64-21,851-9,312.62

Finding the Fourth Proportional to 14,579.64, 21,851 and 9,312.62

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Solution

The fourth proportional to 14,579.64, 21,851 and 9,312.62 is: 13,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.64 : 21,851 = 9,312.62 : x
  2. Step 2: Convert to fraction form
    14,579.64/21,851 = 9,312.62/x
  3. Step 3: Cross multiply
    14,579.64x = 21,851 × 9,312.62
  4. Step 4: Simplify right side
    14,579.64x = 203,490,059.62
  5. Step 5: Solve for x
    x = 203,490,059.62/14,579.64
  6. Step 6: Final answer
    x = 13,957.14

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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.