Home / 18,192.89-25,106.15-10,235.13

Finding the Fourth Proportional to 18,192.89, 25,106.15 and 10,235.13

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Solution

The fourth proportional to 18,192.89, 25,106.15 and 10,235.13 is: 14,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.89 : 25,106.15 = 10,235.13 : x
  2. Step 2: Convert to fraction form
    18,192.89/25,106.15 = 10,235.13/x
  3. Step 3: Cross multiply
    18,192.89x = 25,106.15 × 10,235.13
  4. Step 4: Simplify right side
    18,192.89x = 256,964,583.52
  5. Step 5: Solve for x
    x = 256,964,583.52/18,192.89
  6. Step 6: Final answer
    x = 14,124.45

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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.