Home / 14,013.33-19,338.53-7,725.93

Finding the Fourth Proportional to 14,013.33, 19,338.53 and 7,725.93

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Solution

The fourth proportional to 14,013.33, 19,338.53 and 7,725.93 is: 10,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.33 : 19,338.53 = 7,725.93 : x
  2. Step 2: Convert to fraction form
    14,013.33/19,338.53 = 7,725.93/x
  3. Step 3: Cross multiply
    14,013.33x = 19,338.53 × 7,725.93
  4. Step 4: Simplify right side
    14,013.33x = 149,408,129.08
  5. Step 5: Solve for x
    x = 149,408,129.08/14,013.33
  6. Step 6: Final answer
    x = 10,661.86

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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.