Home / 18,075.51-27,113.22-4,927.86

Finding the Fourth Proportional to 18,075.51, 27,113.22 and 4,927.86

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Solution

The fourth proportional to 18,075.51, 27,113.22 and 4,927.86 is: 7,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.51 : 27,113.22 = 4,927.86 : x
  2. Step 2: Convert to fraction form
    18,075.51/27,113.22 = 4,927.86/x
  3. Step 3: Cross multiply
    18,075.51x = 27,113.22 × 4,927.86
  4. Step 4: Simplify right side
    18,075.51x = 133,610,152.31
  5. Step 5: Solve for x
    x = 133,610,152.31/18,075.51
  6. Step 6: Final answer
    x = 7,391.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.