Home / 21,059.37-29,049.35-12,674.25

Finding the Fourth Proportional to 21,059.37, 29,049.35 and 12,674.25

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Solution

The fourth proportional to 21,059.37, 29,049.35 and 12,674.25 is: 17,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059.37 : 29,049.35 = 12,674.25 : x
  2. Step 2: Convert to fraction form
    21,059.37/29,049.35 = 12,674.25/x
  3. Step 3: Cross multiply
    21,059.37x = 29,049.35 × 12,674.25
  4. Step 4: Simplify right side
    21,059.37x = 368,178,660.87
  5. Step 5: Solve for x
    x = 368,178,660.87/21,059.37
  6. Step 6: Final answer
    x = 17,482.89

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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.