Home / 18,567.40-27,852.01-6,877.88

Finding the Fourth Proportional to 18,567.40, 27,852.01 and 6,877.88

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Solution

The fourth proportional to 18,567.40, 27,852.01 and 6,877.88 is: 10,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.40 : 27,852.01 = 6,877.88 : x
  2. Step 2: Convert to fraction form
    18,567.40/27,852.01 = 6,877.88/x
  3. Step 3: Cross multiply
    18,567.40x = 27,852.01 × 6,877.88
  4. Step 4: Simplify right side
    18,567.40x = 191,562,782.54
  5. Step 5: Solve for x
    x = 191,562,782.54/18,567.40
  6. Step 6: Final answer
    x = 10,317.16

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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.