Home / 13,063.75-18,030.90-8,032.33

Finding the Fourth Proportional to 13,063.75, 18,030.90 and 8,032.33

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Solution

The fourth proportional to 13,063.75, 18,030.90 and 8,032.33 is: 11,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.75 : 18,030.90 = 8,032.33 : x
  2. Step 2: Convert to fraction form
    13,063.75/18,030.90 = 8,032.33/x
  3. Step 3: Cross multiply
    13,063.75x = 18,030.90 × 8,032.33
  4. Step 4: Simplify right side
    13,063.75x = 144,830,191.66
  5. Step 5: Solve for x
    x = 144,830,191.66/13,063.75
  6. Step 6: Final answer
    x = 11,086.42

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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.