Home / 16,921.02-23,326.62-11,869.58

Finding the Fourth Proportional to 16,921.02, 23,326.62 and 11,869.58

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Solution

The fourth proportional to 16,921.02, 23,326.62 and 11,869.58 is: 16,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.02 : 23,326.62 = 11,869.58 : x
  2. Step 2: Convert to fraction form
    16,921.02/23,326.62 = 11,869.58/x
  3. Step 3: Cross multiply
    16,921.02x = 23,326.62 × 11,869.58
  4. Step 4: Simplify right side
    16,921.02x = 276,877,182.22
  5. Step 5: Solve for x
    x = 276,877,182.22/16,921.02
  6. Step 6: Final answer
    x = 16,362.91

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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.