Home / 19,208.55-28,684.77-18,224.40

Finding the Fourth Proportional to 19,208.55, 28,684.77 and 18,224.40

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Solution

The fourth proportional to 19,208.55, 28,684.77 and 18,224.40 is: 27,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.55 : 28,684.77 = 18,224.40 : x
  2. Step 2: Convert to fraction form
    19,208.55/28,684.77 = 18,224.40/x
  3. Step 3: Cross multiply
    19,208.55x = 28,684.77 × 18,224.40
  4. Step 4: Simplify right side
    19,208.55x = 522,762,722.39
  5. Step 5: Solve for x
    x = 522,762,722.39/19,208.55
  6. Step 6: Final answer
    x = 27,215.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.