Home / 18,622.80-25,705.44-11,926.46

Finding the Fourth Proportional to 18,622.80, 25,705.44 and 11,926.46

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Solution

The fourth proportional to 18,622.80, 25,705.44 and 11,926.46 is: 16,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.80 : 25,705.44 = 11,926.46 : x
  2. Step 2: Convert to fraction form
    18,622.80/25,705.44 = 11,926.46/x
  3. Step 3: Cross multiply
    18,622.80x = 25,705.44 × 11,926.46
  4. Step 4: Simplify right side
    18,622.80x = 306,574,966.21
  5. Step 5: Solve for x
    x = 306,574,966.21/18,622.80
  6. Step 6: Final answer
    x = 16,462.35

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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.