Home / 13,605.25-18,782.29-10,573.60

Finding the Fourth Proportional to 13,605.25, 18,782.29 and 10,573.60

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Solution

The fourth proportional to 13,605.25, 18,782.29 and 10,573.60 is: 14,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,605.25 : 18,782.29 = 10,573.60 : x
  2. Step 2: Convert to fraction form
    13,605.25/18,782.29 = 10,573.60/x
  3. Step 3: Cross multiply
    13,605.25x = 18,782.29 × 10,573.60
  4. Step 4: Simplify right side
    13,605.25x = 198,596,421.54
  5. Step 5: Solve for x
    x = 198,596,421.54/13,605.25
  6. Step 6: Final answer
    x = 14,597.04

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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.