Home / 25,383.60-35,077.56-19,085.04

Finding the Fourth Proportional to 25,383.60, 35,077.56 and 19,085.04

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Solution

The fourth proportional to 25,383.60, 35,077.56 and 19,085.04 is: 26,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.60 : 35,077.56 = 19,085.04 : x
  2. Step 2: Convert to fraction form
    25,383.60/35,077.56 = 19,085.04/x
  3. Step 3: Cross multiply
    25,383.60x = 35,077.56 × 19,085.04
  4. Step 4: Simplify right side
    25,383.60x = 669,456,635.70
  5. Step 5: Solve for x
    x = 669,456,635.70/25,383.60
  6. Step 6: Final answer
    x = 26,373.59

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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.