Home / 14,770.14-20,372.28-14,281.98

Finding the Fourth Proportional to 14,770.14, 20,372.28 and 14,281.98

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Solution

The fourth proportional to 14,770.14, 20,372.28 and 14,281.98 is: 19,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.14 : 20,372.28 = 14,281.98 : x
  2. Step 2: Convert to fraction form
    14,770.14/20,372.28 = 14,281.98/x
  3. Step 3: Cross multiply
    14,770.14x = 20,372.28 × 14,281.98
  4. Step 4: Simplify right side
    14,770.14x = 290,956,495.51
  5. Step 5: Solve for x
    x = 290,956,495.51/14,770.14
  6. Step 6: Final answer
    x = 19,698.97

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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.