Home / 18,122.58-25,009.36-10,056.38

Finding the Fourth Proportional to 18,122.58, 25,009.36 and 10,056.38

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Solution

The fourth proportional to 18,122.58, 25,009.36 and 10,056.38 is: 13,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.58 : 25,009.36 = 10,056.38 : x
  2. Step 2: Convert to fraction form
    18,122.58/25,009.36 = 10,056.38/x
  3. Step 3: Cross multiply
    18,122.58x = 25,009.36 × 10,056.38
  4. Step 4: Simplify right side
    18,122.58x = 251,503,477.53
  5. Step 5: Solve for x
    x = 251,503,477.53/18,122.58
  6. Step 6: Final answer
    x = 13,877.91

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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.