Home / 18,837.13-25,996.45-10,453.63

Finding the Fourth Proportional to 18,837.13, 25,996.45 and 10,453.63

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Solution

The fourth proportional to 18,837.13, 25,996.45 and 10,453.63 is: 14,426.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.13 : 25,996.45 = 10,453.63 : x
  2. Step 2: Convert to fraction form
    18,837.13/25,996.45 = 10,453.63/x
  3. Step 3: Cross multiply
    18,837.13x = 25,996.45 × 10,453.63
  4. Step 4: Simplify right side
    18,837.13x = 271,757,269.61
  5. Step 5: Solve for x
    x = 271,757,269.61/18,837.13
  6. Step 6: Final answer
    x = 14,426.68

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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.