Home / 13,460.36-18,573.68-7,491.22

Finding the Fourth Proportional to 13,460.36, 18,573.68 and 7,491.22

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Solution

The fourth proportional to 13,460.36, 18,573.68 and 7,491.22 is: 10,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.36 : 18,573.68 = 7,491.22 : x
  2. Step 2: Convert to fraction form
    13,460.36/18,573.68 = 7,491.22/x
  3. Step 3: Cross multiply
    13,460.36x = 18,573.68 × 7,491.22
  4. Step 4: Simplify right side
    13,460.36x = 139,139,523.09
  5. Step 5: Solve for x
    x = 139,139,523.09/13,460.36
  6. Step 6: Final answer
    x = 10,336.98

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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.