Home / 18,856.33-28,068.93-18,576.07

Finding the Fourth Proportional to 18,856.33, 28,068.93 and 18,576.07

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Solution

The fourth proportional to 18,856.33, 28,068.93 and 18,576.07 is: 27,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.33 : 28,068.93 = 18,576.07 : x
  2. Step 2: Convert to fraction form
    18,856.33/28,068.93 = 18,576.07/x
  3. Step 3: Cross multiply
    18,856.33x = 28,068.93 × 18,576.07
  4. Step 4: Simplify right side
    18,856.33x = 521,410,408.51
  5. Step 5: Solve for x
    x = 521,410,408.51/18,856.33
  6. Step 6: Final answer
    x = 27,651.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.