Home / 25,947.51-38,926.74-8,415.98

Finding the Fourth Proportional to 25,947.51, 38,926.74 and 8,415.98

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Solution

The fourth proportional to 25,947.51, 38,926.74 and 8,415.98 is: 12,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.51 : 38,926.74 = 8,415.98 : x
  2. Step 2: Convert to fraction form
    25,947.51/38,926.74 = 8,415.98/x
  3. Step 3: Cross multiply
    25,947.51x = 38,926.74 × 8,415.98
  4. Step 4: Simplify right side
    25,947.51x = 327,606,428.59
  5. Step 5: Solve for x
    x = 327,606,428.59/25,947.51
  6. Step 6: Final answer
    x = 12,625.74

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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.