Home / 15,848.09-21,880.68-10,185.02

Finding the Fourth Proportional to 15,848.09, 21,880.68 and 10,185.02

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Solution

The fourth proportional to 15,848.09, 21,880.68 and 10,185.02 is: 14,061.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,848.09 : 21,880.68 = 10,185.02 : x
  2. Step 2: Convert to fraction form
    15,848.09/21,880.68 = 10,185.02/x
  3. Step 3: Cross multiply
    15,848.09x = 21,880.68 × 10,185.02
  4. Step 4: Simplify right side
    15,848.09x = 222,855,163.41
  5. Step 5: Solve for x
    x = 222,855,163.41/15,848.09
  6. Step 6: Final answer
    x = 14,061.96

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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.