Home / 13,125.78-19,684.35-4,804.38

Finding the Fourth Proportional to 13,125.78, 19,684.35 and 4,804.38

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Solution

The fourth proportional to 13,125.78, 19,684.35 and 4,804.38 is: 7,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.78 : 19,684.35 = 4,804.38 : x
  2. Step 2: Convert to fraction form
    13,125.78/19,684.35 = 4,804.38/x
  3. Step 3: Cross multiply
    13,125.78x = 19,684.35 × 4,804.38
  4. Step 4: Simplify right side
    13,125.78x = 94,571,097.45
  5. Step 5: Solve for x
    x = 94,571,097.45/13,125.78
  6. Step 6: Final answer
    x = 7,204.99

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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.