Home / 25,140.96-34,693.44-15,075.04

Finding the Fourth Proportional to 25,140.96, 34,693.44 and 15,075.04

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Solution

The fourth proportional to 25,140.96, 34,693.44 and 15,075.04 is: 20,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.96 : 34,693.44 = 15,075.04 : x
  2. Step 2: Convert to fraction form
    25,140.96/34,693.44 = 15,075.04/x
  3. Step 3: Cross multiply
    25,140.96x = 34,693.44 × 15,075.04
  4. Step 4: Simplify right side
    25,140.96x = 523,004,995.74
  5. Step 5: Solve for x
    x = 523,004,995.74/25,140.96
  6. Step 6: Final answer
    x = 20,802.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.