Home / 13,923.95-19,214.84-7,550.42

Finding the Fourth Proportional to 13,923.95, 19,214.84 and 7,550.42

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Solution

The fourth proportional to 13,923.95, 19,214.84 and 7,550.42 is: 10,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.95 : 19,214.84 = 7,550.42 : x
  2. Step 2: Convert to fraction form
    13,923.95/19,214.84 = 7,550.42/x
  3. Step 3: Cross multiply
    13,923.95x = 19,214.84 × 7,550.42
  4. Step 4: Simplify right side
    13,923.95x = 145,079,978.41
  5. Step 5: Solve for x
    x = 145,079,978.41/13,923.95
  6. Step 6: Final answer
    x = 10,419.46

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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.