Home / 27,012.60-37,278.54-15,075.99

Finding the Fourth Proportional to 27,012.60, 37,278.54 and 15,075.99

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Solution

The fourth proportional to 27,012.60, 37,278.54 and 15,075.99 is: 20,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.60 : 37,278.54 = 15,075.99 : x
  2. Step 2: Convert to fraction form
    27,012.60/37,278.54 = 15,075.99/x
  3. Step 3: Cross multiply
    27,012.60x = 37,278.54 × 15,075.99
  4. Step 4: Simplify right side
    27,012.60x = 562,010,896.25
  5. Step 5: Solve for x
    x = 562,010,896.25/27,012.60
  6. Step 6: Final answer
    x = 20,805.51

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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.