Home / 18,184.95-25,089.40-11,012.58

Finding the Fourth Proportional to 18,184.95, 25,089.40 and 11,012.58

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Solution

The fourth proportional to 18,184.95, 25,089.40 and 11,012.58 is: 15,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.95 : 25,089.40 = 11,012.58 : x
  2. Step 2: Convert to fraction form
    18,184.95/25,089.40 = 11,012.58/x
  3. Step 3: Cross multiply
    18,184.95x = 25,089.40 × 11,012.58
  4. Step 4: Simplify right side
    18,184.95x = 276,298,844.14
  5. Step 5: Solve for x
    x = 276,298,844.14/18,184.95
  6. Step 6: Final answer
    x = 15,193.82

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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.