Home / 21,762.10-32,645.50-9,283.44

Finding the Fourth Proportional to 21,762.10, 32,645.50 and 9,283.44

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Solution

The fourth proportional to 21,762.10, 32,645.50 and 9,283.44 is: 13,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.10 : 32,645.50 = 9,283.44 : x
  2. Step 2: Convert to fraction form
    21,762.10/32,645.50 = 9,283.44/x
  3. Step 3: Cross multiply
    21,762.10x = 32,645.50 × 9,283.44
  4. Step 4: Simplify right side
    21,762.10x = 303,062,639.73
  5. Step 5: Solve for x
    x = 303,062,639.73/21,762.10
  6. Step 6: Final answer
    x = 13,926.17

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1.5x scale

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.