Home / 16,497.02-22,762.68-9,781.40

Finding the Fourth Proportional to 16,497.02, 22,762.68 and 9,781.40

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Solution

The fourth proportional to 16,497.02, 22,762.68 and 9,781.40 is: 13,496.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,497.02 : 22,762.68 = 9,781.40 : x
  2. Step 2: Convert to fraction form
    16,497.02/22,762.68 = 9,781.40/x
  3. Step 3: Cross multiply
    16,497.02x = 22,762.68 × 9,781.40
  4. Step 4: Simplify right side
    16,497.02x = 222,650,878.15
  5. Step 5: Solve for x
    x = 222,650,878.15/16,497.02
  6. Step 6: Final answer
    x = 13,496.43

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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.