Home / 27,009.91-37,275.54-15,075.57

Finding the Fourth Proportional to 27,009.91, 37,275.54 and 15,075.57

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Solution

The fourth proportional to 27,009.91, 37,275.54 and 15,075.57 is: 20,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.91 : 37,275.54 = 15,075.57 : x
  2. Step 2: Convert to fraction form
    27,009.91/37,275.54 = 15,075.57/x
  3. Step 3: Cross multiply
    27,009.91x = 37,275.54 × 15,075.57
  4. Step 4: Simplify right side
    27,009.91x = 561,950,012.56
  5. Step 5: Solve for x
    x = 561,950,012.56/27,009.91
  6. Step 6: Final answer
    x = 20,805.33

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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.