Home / 21,376.36-32,064.18-7,525

Finding the Fourth Proportional to 21,376.36, 32,064.18 and 7,525

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Solution

The fourth proportional to 21,376.36, 32,064.18 and 7,525 is: 11,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.36 : 32,064.18 = 7,525 : x
  2. Step 2: Convert to fraction form
    21,376.36/32,064.18 = 7,525/x
  3. Step 3: Cross multiply
    21,376.36x = 32,064.18 × 7,525
  4. Step 4: Simplify right side
    21,376.36x = 241,282,954.50
  5. Step 5: Solve for x
    x = 241,282,954.50/21,376.36
  6. Step 6: Final answer
    x = 11,287.37

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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.