Home / 14,028.48-19,357.96-7,740.45

Finding the Fourth Proportional to 14,028.48, 19,357.96 and 7,740.45

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Solution

The fourth proportional to 14,028.48, 19,357.96 and 7,740.45 is: 10,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.48 : 19,357.96 = 7,740.45 : x
  2. Step 2: Convert to fraction form
    14,028.48/19,357.96 = 7,740.45/x
  3. Step 3: Cross multiply
    14,028.48x = 19,357.96 × 7,740.45
  4. Step 4: Simplify right side
    14,028.48x = 149,839,321.48
  5. Step 5: Solve for x
    x = 149,839,321.48/14,028.48
  6. Step 6: Final answer
    x = 10,681.08

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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.