Home / 15,583.02-21,503.82-8,868.02

Finding the Fourth Proportional to 15,583.02, 21,503.82 and 8,868.02

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Solution

The fourth proportional to 15,583.02, 21,503.82 and 8,868.02 is: 12,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.02 : 21,503.82 = 8,868.02 : x
  2. Step 2: Convert to fraction form
    15,583.02/21,503.82 = 8,868.02/x
  3. Step 3: Cross multiply
    15,583.02x = 21,503.82 × 8,868.02
  4. Step 4: Simplify right side
    15,583.02x = 190,696,305.84
  5. Step 5: Solve for x
    x = 190,696,305.84/15,583.02
  6. Step 6: Final answer
    x = 12,237.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.