Home / 13,842.18-20,750.93-5,075.06

Finding the Fourth Proportional to 13,842.18, 20,750.93 and 5,075.06

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Solution

The fourth proportional to 13,842.18, 20,750.93 and 5,075.06 is: 7,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.18 : 20,750.93 = 5,075.06 : x
  2. Step 2: Convert to fraction form
    13,842.18/20,750.93 = 5,075.06/x
  3. Step 3: Cross multiply
    13,842.18x = 20,750.93 × 5,075.06
  4. Step 4: Simplify right side
    13,842.18x = 105,312,085.68
  5. Step 5: Solve for x
    x = 105,312,085.68/13,842.18
  6. Step 6: Final answer
    x = 7,608.06

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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.