Home / 19,205.66-28,783.89-14,813.91

Finding the Fourth Proportional to 19,205.66, 28,783.89 and 14,813.91

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Solution

The fourth proportional to 19,205.66, 28,783.89 and 14,813.91 is: 22,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.66 : 28,783.89 = 14,813.91 : x
  2. Step 2: Convert to fraction form
    19,205.66/28,783.89 = 14,813.91/x
  3. Step 3: Cross multiply
    19,205.66x = 28,783.89 × 14,813.91
  4. Step 4: Simplify right side
    19,205.66x = 426,401,955.91
  5. Step 5: Solve for x
    x = 426,401,955.91/19,205.66
  6. Step 6: Final answer
    x = 22,201.89

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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.