Home / 13,045.51-19,568.40-5,252.50

Finding the Fourth Proportional to 13,045.51, 19,568.40 and 5,252.50

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Solution

The fourth proportional to 13,045.51, 19,568.40 and 5,252.50 is: 7,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.51 : 19,568.40 = 5,252.50 : x
  2. Step 2: Convert to fraction form
    13,045.51/19,568.40 = 5,252.50/x
  3. Step 3: Cross multiply
    13,045.51x = 19,568.40 × 5,252.50
  4. Step 4: Simplify right side
    13,045.51x = 102,783,021.00
  5. Step 5: Solve for x
    x = 102,783,021.00/13,045.51
  6. Step 6: Final answer
    x = 7,878.80

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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.