Home / 13,328.36-19,988.37-4,561.23

Finding the Fourth Proportional to 13,328.36, 19,988.37 and 4,561.23

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Solution

The fourth proportional to 13,328.36, 19,988.37 and 4,561.23 is: 6,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.36 : 19,988.37 = 4,561.23 : x
  2. Step 2: Convert to fraction form
    13,328.36/19,988.37 = 4,561.23/x
  3. Step 3: Cross multiply
    13,328.36x = 19,988.37 × 4,561.23
  4. Step 4: Simplify right side
    13,328.36x = 91,171,552.90
  5. Step 5: Solve for x
    x = 91,171,552.90/13,328.36
  6. Step 6: Final answer
    x = 6,840.42

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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.