Home / 17,815.75-26,729.70-6,725.63

Finding the Fourth Proportional to 17,815.75, 26,729.70 and 6,725.63

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Solution

The fourth proportional to 17,815.75, 26,729.70 and 6,725.63 is: 10,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.75 : 26,729.70 = 6,725.63 : x
  2. Step 2: Convert to fraction form
    17,815.75/26,729.70 = 6,725.63/x
  3. Step 3: Cross multiply
    17,815.75x = 26,729.70 × 6,725.63
  4. Step 4: Simplify right side
    17,815.75x = 179,774,113.81
  5. Step 5: Solve for x
    x = 179,774,113.81/17,815.75
  6. Step 6: Final answer
    x = 10,090.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.