Home / 16,187.58-22,335.75-9,895.50

Finding the Fourth Proportional to 16,187.58, 22,335.75 and 9,895.50

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Solution

The fourth proportional to 16,187.58, 22,335.75 and 9,895.50 is: 13,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187.58 : 22,335.75 = 9,895.50 : x
  2. Step 2: Convert to fraction form
    16,187.58/22,335.75 = 9,895.50/x
  3. Step 3: Cross multiply
    16,187.58x = 22,335.75 × 9,895.50
  4. Step 4: Simplify right side
    16,187.58x = 221,023,414.13
  5. Step 5: Solve for x
    x = 221,023,414.13/16,187.58
  6. Step 6: Final answer
    x = 13,653.89

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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.