Home / 19,579.39-29,368.95-4,788.52

Finding the Fourth Proportional to 19,579.39, 29,368.95 and 4,788.52

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Solution

The fourth proportional to 19,579.39, 29,368.95 and 4,788.52 is: 7,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.39 : 29,368.95 = 4,788.52 : x
  2. Step 2: Convert to fraction form
    19,579.39/29,368.95 = 4,788.52/x
  3. Step 3: Cross multiply
    19,579.39x = 29,368.95 × 4,788.52
  4. Step 4: Simplify right side
    19,579.39x = 140,633,804.45
  5. Step 5: Solve for x
    x = 140,633,804.45/19,579.39
  6. Step 6: Final answer
    x = 7,182.75

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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.