Home / 13,052.51-19,569.45-7,775.09

Finding the Fourth Proportional to 13,052.51, 19,569.45 and 7,775.09

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Solution

The fourth proportional to 13,052.51, 19,569.45 and 7,775.09 is: 11,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.51 : 19,569.45 = 7,775.09 : x
  2. Step 2: Convert to fraction form
    13,052.51/19,569.45 = 7,775.09/x
  3. Step 3: Cross multiply
    13,052.51x = 19,569.45 × 7,775.09
  4. Step 4: Simplify right side
    13,052.51x = 152,154,235.00
  5. Step 5: Solve for x
    x = 152,154,235.00/13,052.51
  6. Step 6: Final answer
    x = 11,657.09

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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.