Home / 19,028.07-28,535-6,544.56

Finding the Fourth Proportional to 19,028.07, 28,535 and 6,544.56

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Solution

The fourth proportional to 19,028.07, 28,535 and 6,544.56 is: 9,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.07 : 28,535 = 6,544.56 : x
  2. Step 2: Convert to fraction form
    19,028.07/28,535 = 6,544.56/x
  3. Step 3: Cross multiply
    19,028.07x = 28,535 × 6,544.56
  4. Step 4: Simplify right side
    19,028.07x = 186,749,019.60
  5. Step 5: Solve for x
    x = 186,749,019.60/19,028.07
  6. Step 6: Final answer
    x = 9,814.40

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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.