Home / 25,367.73-35,021.54-15,298.71

Finding the Fourth Proportional to 25,367.73, 35,021.54 and 15,298.71

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Solution

The fourth proportional to 25,367.73, 35,021.54 and 15,298.71 is: 21,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,367.73 : 35,021.54 = 15,298.71 : x
  2. Step 2: Convert to fraction form
    25,367.73/35,021.54 = 15,298.71/x
  3. Step 3: Cross multiply
    25,367.73x = 35,021.54 × 15,298.71
  4. Step 4: Simplify right side
    25,367.73x = 535,784,384.21
  5. Step 5: Solve for x
    x = 535,784,384.21/25,367.73
  6. Step 6: Final answer
    x = 21,120.71

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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.