Home / 19,368.90-29,025.63-11,031.71

Finding the Fourth Proportional to 19,368.90, 29,025.63 and 11,031.71

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Solution

The fourth proportional to 19,368.90, 29,025.63 and 11,031.71 is: 16,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.90 : 29,025.63 = 11,031.71 : x
  2. Step 2: Convert to fraction form
    19,368.90/29,025.63 = 11,031.71/x
  3. Step 3: Cross multiply
    19,368.90x = 29,025.63 × 11,031.71
  4. Step 4: Simplify right side
    19,368.90x = 320,202,187.60
  5. Step 5: Solve for x
    x = 320,202,187.60/19,368.90
  6. Step 6: Final answer
    x = 16,531.77

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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.