Home / 15,898.02-21,939.84-9,606.75

Finding the Fourth Proportional to 15,898.02, 21,939.84 and 9,606.75

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Solution

The fourth proportional to 15,898.02, 21,939.84 and 9,606.75 is: 13,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898.02 : 21,939.84 = 9,606.75 : x
  2. Step 2: Convert to fraction form
    15,898.02/21,939.84 = 9,606.75/x
  3. Step 3: Cross multiply
    15,898.02x = 21,939.84 × 9,606.75
  4. Step 4: Simplify right side
    15,898.02x = 210,770,557.92
  5. Step 5: Solve for x
    x = 210,770,557.92/15,898.02
  6. Step 6: Final answer
    x = 13,257.66

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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.