Home / 14,955.26-20,637.58-8,240.58

Finding the Fourth Proportional to 14,955.26, 20,637.58 and 8,240.58

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Solution

The fourth proportional to 14,955.26, 20,637.58 and 8,240.58 is: 11,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.26 : 20,637.58 = 8,240.58 : x
  2. Step 2: Convert to fraction form
    14,955.26/20,637.58 = 8,240.58/x
  3. Step 3: Cross multiply
    14,955.26x = 20,637.58 × 8,240.58
  4. Step 4: Simplify right side
    14,955.26x = 170,065,629.00
  5. Step 5: Solve for x
    x = 170,065,629.00/14,955.26
  6. Step 6: Final answer
    x = 11,371.63

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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.