Home / 25,860.54-35,691.40-15,794.81

Finding the Fourth Proportional to 25,860.54, 35,691.40 and 15,794.81

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Solution

The fourth proportional to 25,860.54, 35,691.40 and 15,794.81 is: 21,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.54 : 35,691.40 = 15,794.81 : x
  2. Step 2: Convert to fraction form
    25,860.54/35,691.40 = 15,794.81/x
  3. Step 3: Cross multiply
    25,860.54x = 35,691.40 × 15,794.81
  4. Step 4: Simplify right side
    25,860.54x = 563,738,881.63
  5. Step 5: Solve for x
    x = 563,738,881.63/25,860.54
  6. Step 6: Final answer
    x = 21,799.19

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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.