Home / 18,884.34-26,036.31-11,808.18

Finding the Fourth Proportional to 18,884.34, 26,036.31 and 11,808.18

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Solution

The fourth proportional to 18,884.34, 26,036.31 and 11,808.18 is: 16,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.34 : 26,036.31 = 11,808.18 : x
  2. Step 2: Convert to fraction form
    18,884.34/26,036.31 = 11,808.18/x
  3. Step 3: Cross multiply
    18,884.34x = 26,036.31 × 11,808.18
  4. Step 4: Simplify right side
    18,884.34x = 307,441,435.02
  5. Step 5: Solve for x
    x = 307,441,435.02/18,884.34
  6. Step 6: Final answer
    x = 16,280.23

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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.