Home / 19,182.77-28,775.81-5,858.76

Finding the Fourth Proportional to 19,182.77, 28,775.81 and 5,858.76

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Solution

The fourth proportional to 19,182.77, 28,775.81 and 5,858.76 is: 8,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.77 : 28,775.81 = 5,858.76 : x
  2. Step 2: Convert to fraction form
    19,182.77/28,775.81 = 5,858.76/x
  3. Step 3: Cross multiply
    19,182.77x = 28,775.81 × 5,858.76
  4. Step 4: Simplify right side
    19,182.77x = 168,590,564.60
  5. Step 5: Solve for x
    x = 168,590,564.60/19,182.77
  6. Step 6: Final answer
    x = 8,788.65

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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.