Home / 25,639.38-35,381.52-15,036.08

Finding the Fourth Proportional to 25,639.38, 35,381.52 and 15,036.08

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Solution

The fourth proportional to 25,639.38, 35,381.52 and 15,036.08 is: 20,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.38 : 35,381.52 = 15,036.08 : x
  2. Step 2: Convert to fraction form
    25,639.38/35,381.52 = 15,036.08/x
  3. Step 3: Cross multiply
    25,639.38x = 35,381.52 × 15,036.08
  4. Step 4: Simplify right side
    25,639.38x = 531,999,188.33
  5. Step 5: Solve for x
    x = 531,999,188.33/25,639.38
  6. Step 6: Final answer
    x = 20,749.30

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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.