Home / 16,989.48-23,445.63-9,914.52

Finding the Fourth Proportional to 16,989.48, 23,445.63 and 9,914.52

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Solution

The fourth proportional to 16,989.48, 23,445.63 and 9,914.52 is: 13,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.48 : 23,445.63 = 9,914.52 : x
  2. Step 2: Convert to fraction form
    16,989.48/23,445.63 = 9,914.52/x
  3. Step 3: Cross multiply
    16,989.48x = 23,445.63 × 9,914.52
  4. Step 4: Simplify right side
    16,989.48x = 232,452,167.55
  5. Step 5: Solve for x
    x = 232,452,167.55/16,989.48
  6. Step 6: Final answer
    x = 13,682.12

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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.