Home / 25,453.38-38,148.69-18,457.41

Finding the Fourth Proportional to 25,453.38, 38,148.69 and 18,457.41

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Solution

The fourth proportional to 25,453.38, 38,148.69 and 18,457.41 is: 27,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.38 : 38,148.69 = 18,457.41 : x
  2. Step 2: Convert to fraction form
    25,453.38/38,148.69 = 18,457.41/x
  3. Step 3: Cross multiply
    25,453.38x = 38,148.69 × 18,457.41
  4. Step 4: Simplify right side
    25,453.38x = 704,126,012.29
  5. Step 5: Solve for x
    x = 704,126,012.29/25,453.38
  6. Step 6: Final answer
    x = 27,663.36

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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.