Home / 21,392.14-32,080.02-7,349.56

Finding the Fourth Proportional to 21,392.14, 32,080.02 and 7,349.56

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Solution

The fourth proportional to 21,392.14, 32,080.02 and 7,349.56 is: 11,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,392.14 : 32,080.02 = 7,349.56 : x
  2. Step 2: Convert to fraction form
    21,392.14/32,080.02 = 7,349.56/x
  3. Step 3: Cross multiply
    21,392.14x = 32,080.02 × 7,349.56
  4. Step 4: Simplify right side
    21,392.14x = 235,774,031.79
  5. Step 5: Solve for x
    x = 235,774,031.79/21,392.14
  6. Step 6: Final answer
    x = 11,021.53

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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.