Home / 12,625.24-17,420.80-7,588.26

Finding the Fourth Proportional to 12,625.24, 17,420.80 and 7,588.26

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Solution

The fourth proportional to 12,625.24, 17,420.80 and 7,588.26 is: 10,470.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.24 : 17,420.80 = 7,588.26 : x
  2. Step 2: Convert to fraction form
    12,625.24/17,420.80 = 7,588.26/x
  3. Step 3: Cross multiply
    12,625.24x = 17,420.80 × 7,588.26
  4. Step 4: Simplify right side
    12,625.24x = 132,193,559.81
  5. Step 5: Solve for x
    x = 132,193,559.81/12,625.24
  6. Step 6: Final answer
    x = 10,470.58

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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.