Home / 14,253.42-19,668.20-8,283.84

Finding the Fourth Proportional to 14,253.42, 19,668.20 and 8,283.84

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Solution

The fourth proportional to 14,253.42, 19,668.20 and 8,283.84 is: 11,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.42 : 19,668.20 = 8,283.84 : x
  2. Step 2: Convert to fraction form
    14,253.42/19,668.20 = 8,283.84/x
  3. Step 3: Cross multiply
    14,253.42x = 19,668.20 × 8,283.84
  4. Step 4: Simplify right side
    14,253.42x = 162,928,180.47
  5. Step 5: Solve for x
    x = 162,928,180.47/14,253.42
  6. Step 6: Final answer
    x = 11,430.81

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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.