Home / 19,555.93-29,327.73-8,455.51

Finding the Fourth Proportional to 19,555.93, 29,327.73 and 8,455.51

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Solution

The fourth proportional to 19,555.93, 29,327.73 and 8,455.51 is: 12,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.93 : 29,327.73 = 8,455.51 : x
  2. Step 2: Convert to fraction form
    19,555.93/29,327.73 = 8,455.51/x
  3. Step 3: Cross multiply
    19,555.93x = 29,327.73 × 8,455.51
  4. Step 4: Simplify right side
    19,555.93x = 247,980,914.29
  5. Step 5: Solve for x
    x = 247,980,914.29/19,555.93
  6. Step 6: Final answer
    x = 12,680.60

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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.