Home / 15,356.98-21,204.84-10,325.62

Finding the Fourth Proportional to 15,356.98, 21,204.84 and 10,325.62

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Solution

The fourth proportional to 15,356.98, 21,204.84 and 10,325.62 is: 14,257.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.98 : 21,204.84 = 10,325.62 : x
  2. Step 2: Convert to fraction form
    15,356.98/21,204.84 = 10,325.62/x
  3. Step 3: Cross multiply
    15,356.98x = 21,204.84 × 10,325.62
  4. Step 4: Simplify right side
    15,356.98x = 218,953,120.00
  5. Step 5: Solve for x
    x = 218,953,120.00/15,356.98
  6. Step 6: Final answer
    x = 14,257.56

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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.