Home / 53,283.24-79,926.30-13,839.48

Finding the Fourth Proportional to 53,283.24, 79,926.30 and 13,839.48

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Solution

The fourth proportional to 53,283.24, 79,926.30 and 13,839.48 is: 20,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,283.24 : 79,926.30 = 13,839.48 : x
  2. Step 2: Convert to fraction form
    53,283.24/79,926.30 = 13,839.48/x
  3. Step 3: Cross multiply
    53,283.24x = 79,926.30 × 13,839.48
  4. Step 4: Simplify right side
    53,283.24x = 1,106,138,430.32
  5. Step 5: Solve for x
    x = 1,106,138,430.32/53,283.24
  6. Step 6: Final answer
    x = 20,759.59

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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.