Home / 25,010.75-34,515.48-15,075.39

Finding the Fourth Proportional to 25,010.75, 34,515.48 and 15,075.39

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Solution

The fourth proportional to 25,010.75, 34,515.48 and 15,075.39 is: 20,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.75 : 34,515.48 = 15,075.39 : x
  2. Step 2: Convert to fraction form
    25,010.75/34,515.48 = 15,075.39/x
  3. Step 3: Cross multiply
    25,010.75x = 34,515.48 × 15,075.39
  4. Step 4: Simplify right side
    25,010.75x = 520,334,246.66
  5. Step 5: Solve for x
    x = 520,334,246.66/25,010.75
  6. Step 6: Final answer
    x = 20,804.42

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1.5x scale

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.