Home / 13,860.93-19,128.15-7,573.44

Finding the Fourth Proportional to 13,860.93, 19,128.15 and 7,573.44

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Solution

The fourth proportional to 13,860.93, 19,128.15 and 7,573.44 is: 10,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.93 : 19,128.15 = 7,573.44 : x
  2. Step 2: Convert to fraction form
    13,860.93/19,128.15 = 7,573.44/x
  3. Step 3: Cross multiply
    13,860.93x = 19,128.15 × 7,573.44
  4. Step 4: Simplify right side
    13,860.93x = 144,865,896.34
  5. Step 5: Solve for x
    x = 144,865,896.34/13,860.93
  6. Step 6: Final answer
    x = 10,451.38

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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.