Home / 16,405.83-22,634.85-9,693.81

Finding the Fourth Proportional to 16,405.83, 22,634.85 and 9,693.81

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Solution

The fourth proportional to 16,405.83, 22,634.85 and 9,693.81 is: 13,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.83 : 22,634.85 = 9,693.81 : x
  2. Step 2: Convert to fraction form
    16,405.83/22,634.85 = 9,693.81/x
  3. Step 3: Cross multiply
    16,405.83x = 22,634.85 × 9,693.81
  4. Step 4: Simplify right side
    16,405.83x = 219,417,935.28
  5. Step 5: Solve for x
    x = 219,417,935.28/16,405.83
  6. Step 6: Final answer
    x = 13,374.39

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1.5x scale

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.