Home / 14,214.83-19,616.21-7,842.03

Finding the Fourth Proportional to 14,214.83, 19,616.21 and 7,842.03

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Solution

The fourth proportional to 14,214.83, 19,616.21 and 7,842.03 is: 10,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.83 : 19,616.21 = 7,842.03 : x
  2. Step 2: Convert to fraction form
    14,214.83/19,616.21 = 7,842.03/x
  3. Step 3: Cross multiply
    14,214.83x = 19,616.21 × 7,842.03
  4. Step 4: Simplify right side
    14,214.83x = 153,830,868.05
  5. Step 5: Solve for x
    x = 153,830,868.05/14,214.83
  6. Step 6: Final answer
    x = 10,821.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.