Home / 19,166.69-28,747.60-14,243.51

Finding the Fourth Proportional to 19,166.69, 28,747.60 and 14,243.51

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Solution

The fourth proportional to 19,166.69, 28,747.60 and 14,243.51 is: 21,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.69 : 28,747.60 = 14,243.51 : x
  2. Step 2: Convert to fraction form
    19,166.69/28,747.60 = 14,243.51/x
  3. Step 3: Cross multiply
    19,166.69x = 28,747.60 × 14,243.51
  4. Step 4: Simplify right side
    19,166.69x = 409,466,728.08
  5. Step 5: Solve for x
    x = 409,466,728.08/19,166.69
  6. Step 6: Final answer
    x = 21,363.46

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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.