Home / 18,855.02-28,282.34-11,461.52

Finding the Fourth Proportional to 18,855.02, 28,282.34 and 11,461.52

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Solution

The fourth proportional to 18,855.02, 28,282.34 and 11,461.52 is: 17,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,855.02 : 28,282.34 = 11,461.52 : x
  2. Step 2: Convert to fraction form
    18,855.02/28,282.34 = 11,461.52/x
  3. Step 3: Cross multiply
    18,855.02x = 28,282.34 × 11,461.52
  4. Step 4: Simplify right side
    18,855.02x = 324,158,605.56
  5. Step 5: Solve for x
    x = 324,158,605.56/18,855.02
  6. Step 6: Final answer
    x = 17,192.16

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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.