Home / 15,583.18-21,504.62-9,612.46

Finding the Fourth Proportional to 15,583.18, 21,504.62 and 9,612.46

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Solution

The fourth proportional to 15,583.18, 21,504.62 and 9,612.46 is: 13,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.18 : 21,504.62 = 9,612.46 : x
  2. Step 2: Convert to fraction form
    15,583.18/21,504.62 = 9,612.46/x
  3. Step 3: Cross multiply
    15,583.18x = 21,504.62 × 9,612.46
  4. Step 4: Simplify right side
    15,583.18x = 206,712,299.57
  5. Step 5: Solve for x
    x = 206,712,299.57/15,583.18
  6. Step 6: Final answer
    x = 13,265.09

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1.5x scale

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.