Home / 13,108.02-19,667.23-4,788.58

Finding the Fourth Proportional to 13,108.02, 19,667.23 and 4,788.58

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Solution

The fourth proportional to 13,108.02, 19,667.23 and 4,788.58 is: 7,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.02 : 19,667.23 = 4,788.58 : x
  2. Step 2: Convert to fraction form
    13,108.02/19,667.23 = 4,788.58/x
  3. Step 3: Cross multiply
    13,108.02x = 19,667.23 × 4,788.58
  4. Step 4: Simplify right side
    13,108.02x = 94,177,981.95
  5. Step 5: Solve for x
    x = 94,177,981.95/13,108.02
  6. Step 6: Final answer
    x = 7,184.76

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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.