Home / 19,457.39-29,185.68-13,201.76

Finding the Fourth Proportional to 19,457.39, 29,185.68 and 13,201.76

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Solution

The fourth proportional to 19,457.39, 29,185.68 and 13,201.76 is: 19,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.39 : 29,185.68 = 13,201.76 : x
  2. Step 2: Convert to fraction form
    19,457.39/29,185.68 = 13,201.76/x
  3. Step 3: Cross multiply
    19,457.39x = 29,185.68 × 13,201.76
  4. Step 4: Simplify right side
    19,457.39x = 385,302,342.80
  5. Step 5: Solve for x
    x = 385,302,342.80/19,457.39
  6. Step 6: Final answer
    x = 19,802.37

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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.