Home / 13,032.18-17,986.26-7,368.66

Finding the Fourth Proportional to 13,032.18, 17,986.26 and 7,368.66

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Solution

The fourth proportional to 13,032.18, 17,986.26 and 7,368.66 is: 10,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.18 : 17,986.26 = 7,368.66 : x
  2. Step 2: Convert to fraction form
    13,032.18/17,986.26 = 7,368.66/x
  3. Step 3: Cross multiply
    13,032.18x = 17,986.26 × 7,368.66
  4. Step 4: Simplify right side
    13,032.18x = 132,534,634.61
  5. Step 5: Solve for x
    x = 132,534,634.61/13,032.18
  6. Step 6: Final answer
    x = 10,169.80

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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.