Home / 19,494.47-29,236.51-5,453.63

Finding the Fourth Proportional to 19,494.47, 29,236.51 and 5,453.63

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Solution

The fourth proportional to 19,494.47, 29,236.51 and 5,453.63 is: 8,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.47 : 29,236.51 = 5,453.63 : x
  2. Step 2: Convert to fraction form
    19,494.47/29,236.51 = 5,453.63/x
  3. Step 3: Cross multiply
    19,494.47x = 29,236.51 × 5,453.63
  4. Step 4: Simplify right side
    19,494.47x = 159,444,934.58
  5. Step 5: Solve for x
    x = 159,444,934.58/19,494.47
  6. Step 6: Final answer
    x = 8,178.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.