Home / 25,884.81-35,712.57-15,272.37

Finding the Fourth Proportional to 25,884.81, 35,712.57 and 15,272.37

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Solution

The fourth proportional to 25,884.81, 35,712.57 and 15,272.37 is: 21,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,884.81 : 35,712.57 = 15,272.37 : x
  2. Step 2: Convert to fraction form
    25,884.81/35,712.57 = 15,272.37/x
  3. Step 3: Cross multiply
    25,884.81x = 35,712.57 × 15,272.37
  4. Step 4: Simplify right side
    25,884.81x = 545,415,582.69
  5. Step 5: Solve for x
    x = 545,415,582.69/25,884.81
  6. Step 6: Final answer
    x = 21,070.87

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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.