Home / 21,698.08-32,509.76-14,662.56

Finding the Fourth Proportional to 21,698.08, 32,509.76 and 14,662.56

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Solution

The fourth proportional to 21,698.08, 32,509.76 and 14,662.56 is: 21,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698.08 : 32,509.76 = 14,662.56 : x
  2. Step 2: Convert to fraction form
    21,698.08/32,509.76 = 14,662.56/x
  3. Step 3: Cross multiply
    21,698.08x = 32,509.76 × 14,662.56
  4. Step 4: Simplify right side
    21,698.08x = 476,676,306.59
  5. Step 5: Solve for x
    x = 476,676,306.59/21,698.08
  6. Step 6: Final answer
    x = 21,968.59

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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.