Home / 25,010.50-34,515.13-15,075.14

Finding the Fourth Proportional to 25,010.50, 34,515.13 and 15,075.14

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Solution

The fourth proportional to 25,010.50, 34,515.13 and 15,075.14 is: 20,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.50 : 34,515.13 = 15,075.14 : x
  2. Step 2: Convert to fraction form
    25,010.50/34,515.13 = 15,075.14/x
  3. Step 3: Cross multiply
    25,010.50x = 34,515.13 × 15,075.14
  4. Step 4: Simplify right side
    25,010.50x = 520,320,416.87
  5. Step 5: Solve for x
    x = 520,320,416.87/25,010.50
  6. Step 6: Final answer
    x = 20,804.08

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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.