Home / 21,503.34-32,226.66-10,395

Finding the Fourth Proportional to 21,503.34, 32,226.66 and 10,395

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Solution

The fourth proportional to 21,503.34, 32,226.66 and 10,395 is: 15,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503.34 : 32,226.66 = 10,395 : x
  2. Step 2: Convert to fraction form
    21,503.34/32,226.66 = 10,395/x
  3. Step 3: Cross multiply
    21,503.34x = 32,226.66 × 10,395
  4. Step 4: Simplify right side
    21,503.34x = 334,996,130.70
  5. Step 5: Solve for x
    x = 334,996,130.70/21,503.34
  6. Step 6: Final answer
    x = 15,578.80

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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.