Home / 19,457.11-26,849.71-11,500.08

Finding the Fourth Proportional to 19,457.11, 26,849.71 and 11,500.08

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Solution

The fourth proportional to 19,457.11, 26,849.71 and 11,500.08 is: 15,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.11 : 26,849.71 = 11,500.08 : x
  2. Step 2: Convert to fraction form
    19,457.11/26,849.71 = 11,500.08/x
  3. Step 3: Cross multiply
    19,457.11x = 26,849.71 × 11,500.08
  4. Step 4: Simplify right side
    19,457.11x = 308,773,812.98
  5. Step 5: Solve for x
    x = 308,773,812.98/19,457.11
  6. Step 6: Final answer
    x = 15,869.46

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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.