Home / 21,740.49-32,620.02-9,266.39

Finding the Fourth Proportional to 21,740.49, 32,620.02 and 9,266.39

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Solution

The fourth proportional to 21,740.49, 32,620.02 and 9,266.39 is: 13,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740.49 : 32,620.02 = 9,266.39 : x
  2. Step 2: Convert to fraction form
    21,740.49/32,620.02 = 9,266.39/x
  3. Step 3: Cross multiply
    21,740.49x = 32,620.02 × 9,266.39
  4. Step 4: Simplify right side
    21,740.49x = 302,269,895.47
  5. Step 5: Solve for x
    x = 302,269,895.47/21,740.49
  6. Step 6: Final answer
    x = 13,903.54

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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.