Home / 18,973.62-26,184.61-11,018.34

Finding the Fourth Proportional to 18,973.62, 26,184.61 and 11,018.34

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Solution

The fourth proportional to 18,973.62, 26,184.61 and 11,018.34 is: 15,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.62 : 26,184.61 = 11,018.34 : x
  2. Step 2: Convert to fraction form
    18,973.62/26,184.61 = 11,018.34/x
  3. Step 3: Cross multiply
    18,973.62x = 26,184.61 × 11,018.34
  4. Step 4: Simplify right side
    18,973.62x = 288,510,935.75
  5. Step 5: Solve for x
    x = 288,510,935.75/18,973.62
  6. Step 6: Final answer
    x = 15,205.90

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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.