Home / 14,028.56-19,359.48-7,740.93

Finding the Fourth Proportional to 14,028.56, 19,359.48 and 7,740.93

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Solution

The fourth proportional to 14,028.56, 19,359.48 and 7,740.93 is: 10,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.56 : 19,359.48 = 7,740.93 : x
  2. Step 2: Convert to fraction form
    14,028.56/19,359.48 = 7,740.93/x
  3. Step 3: Cross multiply
    14,028.56x = 19,359.48 × 7,740.93
  4. Step 4: Simplify right side
    14,028.56x = 149,860,379.52
  5. Step 5: Solve for x
    x = 149,860,379.52/14,028.56
  6. Step 6: Final answer
    x = 10,682.52

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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.