Home / 25,902.26-35,756.69-19,931.70

Finding the Fourth Proportional to 25,902.26, 35,756.69 and 19,931.70

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Solution

The fourth proportional to 25,902.26, 35,756.69 and 19,931.70 is: 27,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,902.26 : 35,756.69 = 19,931.70 : x
  2. Step 2: Convert to fraction form
    25,902.26/35,756.69 = 19,931.70/x
  3. Step 3: Cross multiply
    25,902.26x = 35,756.69 × 19,931.70
  4. Step 4: Simplify right side
    25,902.26x = 712,691,618.07
  5. Step 5: Solve for x
    x = 712,691,618.07/25,902.26
  6. Step 6: Final answer
    x = 27,514.65

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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.