Home / 18,582.18-25,642.46-11,028.82

Finding the Fourth Proportional to 18,582.18, 25,642.46 and 11,028.82

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Solution

The fourth proportional to 18,582.18, 25,642.46 and 11,028.82 is: 15,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.18 : 25,642.46 = 11,028.82 : x
  2. Step 2: Convert to fraction form
    18,582.18/25,642.46 = 11,028.82/x
  3. Step 3: Cross multiply
    18,582.18x = 25,642.46 × 11,028.82
  4. Step 4: Simplify right side
    18,582.18x = 282,806,075.70
  5. Step 5: Solve for x
    x = 282,806,075.70/18,582.18
  6. Step 6: Final answer
    x = 15,219.21

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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.