Home / 25,386.10-35,081.01-19,087.54

Finding the Fourth Proportional to 25,386.10, 35,081.01 and 19,087.54

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Solution

The fourth proportional to 25,386.10, 35,081.01 and 19,087.54 is: 26,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.10 : 35,081.01 = 19,087.54 : x
  2. Step 2: Convert to fraction form
    25,386.10/35,081.01 = 19,087.54/x
  3. Step 3: Cross multiply
    25,386.10x = 35,081.01 × 19,087.54
  4. Step 4: Simplify right side
    25,386.10x = 669,610,181.62
  5. Step 5: Solve for x
    x = 669,610,181.62/25,386.10
  6. Step 6: Final answer
    x = 26,377.04

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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.