Home / 13,155.51-19,735.95-4,835.61

Finding the Fourth Proportional to 13,155.51, 19,735.95 and 4,835.61

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Solution

The fourth proportional to 13,155.51, 19,735.95 and 4,835.61 is: 7,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.51 : 19,735.95 = 4,835.61 : x
  2. Step 2: Convert to fraction form
    13,155.51/19,735.95 = 4,835.61/x
  3. Step 3: Cross multiply
    13,155.51x = 19,735.95 × 4,835.61
  4. Step 4: Simplify right side
    13,155.51x = 95,435,357.18
  5. Step 5: Solve for x
    x = 95,435,357.18/13,155.51
  6. Step 6: Final answer
    x = 7,254.40

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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.