Home / 18,139.36-25,032.36-10,181.60

Finding the Fourth Proportional to 18,139.36, 25,032.36 and 10,181.60

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Solution

The fourth proportional to 18,139.36, 25,032.36 and 10,181.60 is: 14,050.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.36 : 25,032.36 = 10,181.60 : x
  2. Step 2: Convert to fraction form
    18,139.36/25,032.36 = 10,181.60/x
  3. Step 3: Cross multiply
    18,139.36x = 25,032.36 × 10,181.60
  4. Step 4: Simplify right side
    18,139.36x = 254,869,476.58
  5. Step 5: Solve for x
    x = 254,869,476.58/18,139.36
  6. Step 6: Final answer
    x = 14,050.63

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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.