Home / 14,405.74-19,878.44-9,370.28

Finding the Fourth Proportional to 14,405.74, 19,878.44 and 9,370.28

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Solution

The fourth proportional to 14,405.74, 19,878.44 and 9,370.28 is: 12,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.74 : 19,878.44 = 9,370.28 : x
  2. Step 2: Convert to fraction form
    14,405.74/19,878.44 = 9,370.28/x
  3. Step 3: Cross multiply
    14,405.74x = 19,878.44 × 9,370.28
  4. Step 4: Simplify right side
    14,405.74x = 186,266,525.68
  5. Step 5: Solve for x
    x = 186,266,525.68/14,405.74
  6. Step 6: Final answer
    x = 12,930.03

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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.