Home / 25,716.80-38,546.40-14,628.80

Finding the Fourth Proportional to 25,716.80, 38,546.40 and 14,628.80

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Solution

The fourth proportional to 25,716.80, 38,546.40 and 14,628.80 is: 21,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.80 : 38,546.40 = 14,628.80 : x
  2. Step 2: Convert to fraction form
    25,716.80/38,546.40 = 14,628.80/x
  3. Step 3: Cross multiply
    25,716.80x = 38,546.40 × 14,628.80
  4. Step 4: Simplify right side
    25,716.80x = 563,887,576.32
  5. Step 5: Solve for x
    x = 563,887,576.32/25,716.80
  6. Step 6: Final answer
    x = 21,926.82

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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.