Home / 19,176.96-28,720.64-14,759.36

Finding the Fourth Proportional to 19,176.96, 28,720.64 and 14,759.36

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Solution

The fourth proportional to 19,176.96, 28,720.64 and 14,759.36 is: 22,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.96 : 28,720.64 = 14,759.36 : x
  2. Step 2: Convert to fraction form
    19,176.96/28,720.64 = 14,759.36/x
  3. Step 3: Cross multiply
    19,176.96x = 28,720.64 × 14,759.36
  4. Step 4: Simplify right side
    19,176.96x = 423,898,265.19
  5. Step 5: Solve for x
    x = 423,898,265.19/19,176.96
  6. Step 6: Final answer
    x = 22,104.56

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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.