Home / 18,179.89-25,088.09-10,222.14

Finding the Fourth Proportional to 18,179.89, 25,088.09 and 10,222.14

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Solution

The fourth proportional to 18,179.89, 25,088.09 and 10,222.14 is: 14,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.89 : 25,088.09 = 10,222.14 : x
  2. Step 2: Convert to fraction form
    18,179.89/25,088.09 = 10,222.14/x
  3. Step 3: Cross multiply
    18,179.89x = 25,088.09 × 10,222.14
  4. Step 4: Simplify right side
    18,179.89x = 256,453,968.31
  5. Step 5: Solve for x
    x = 256,453,968.31/18,179.89
  6. Step 6: Final answer
    x = 14,106.46

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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.