Home / 19,016.55-28,525.86-4,977.06

Finding the Fourth Proportional to 19,016.55, 28,525.86 and 4,977.06

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Solution

The fourth proportional to 19,016.55, 28,525.86 and 4,977.06 is: 7,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.55 : 28,525.86 = 4,977.06 : x
  2. Step 2: Convert to fraction form
    19,016.55/28,525.86 = 4,977.06/x
  3. Step 3: Cross multiply
    19,016.55x = 28,525.86 × 4,977.06
  4. Step 4: Simplify right side
    19,016.55x = 141,974,916.77
  5. Step 5: Solve for x
    x = 141,974,916.77/19,016.55
  6. Step 6: Final answer
    x = 7,465.86

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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.