Home / 16,628.94-22,916.26-11,905.02

Finding the Fourth Proportional to 16,628.94, 22,916.26 and 11,905.02

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Solution

The fourth proportional to 16,628.94, 22,916.26 and 11,905.02 is: 16,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.94 : 22,916.26 = 11,905.02 : x
  2. Step 2: Convert to fraction form
    16,628.94/22,916.26 = 11,905.02/x
  3. Step 3: Cross multiply
    16,628.94x = 22,916.26 × 11,905.02
  4. Step 4: Simplify right side
    16,628.94x = 272,818,533.63
  5. Step 5: Solve for x
    x = 272,818,533.63/16,628.94
  6. Step 6: Final answer
    x = 16,406.25

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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.