Home / 18,675.08-28,012.64-17,534.60

Finding the Fourth Proportional to 18,675.08, 28,012.64 and 17,534.60

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Solution

The fourth proportional to 18,675.08, 28,012.64 and 17,534.60 is: 26,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.08 : 28,012.64 = 17,534.60 : x
  2. Step 2: Convert to fraction form
    18,675.08/28,012.64 = 17,534.60/x
  3. Step 3: Cross multiply
    18,675.08x = 28,012.64 × 17,534.60
  4. Step 4: Simplify right side
    18,675.08x = 491,190,437.34
  5. Step 5: Solve for x
    x = 491,190,437.34/18,675.08
  6. Step 6: Final answer
    x = 26,301.92

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1.5x scale

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.