Home / 25,495.82-35,196.02-15,291.71

Finding the Fourth Proportional to 25,495.82, 35,196.02 and 15,291.71

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Solution

The fourth proportional to 25,495.82, 35,196.02 and 15,291.71 is: 21,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495.82 : 35,196.02 = 15,291.71 : x
  2. Step 2: Convert to fraction form
    25,495.82/35,196.02 = 15,291.71/x
  3. Step 3: Cross multiply
    25,495.82x = 35,196.02 × 15,291.71
  4. Step 4: Simplify right side
    25,495.82x = 538,207,330.99
  5. Step 5: Solve for x
    x = 538,207,330.99/25,495.82
  6. Step 6: Final answer
    x = 21,109.63

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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.