Home / 18,853.46-28,270.52-9,973.58

Finding the Fourth Proportional to 18,853.46, 28,270.52 and 9,973.58

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Solution

The fourth proportional to 18,853.46, 28,270.52 and 9,973.58 is: 14,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.46 : 28,270.52 = 9,973.58 : x
  2. Step 2: Convert to fraction form
    18,853.46/28,270.52 = 9,973.58/x
  3. Step 3: Cross multiply
    18,853.46x = 28,270.52 × 9,973.58
  4. Step 4: Simplify right side
    18,853.46x = 281,958,292.86
  5. Step 5: Solve for x
    x = 281,958,292.86/18,853.46
  6. Step 6: Final answer
    x = 14,955.25

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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.