Home / 19,525.64-29,274.54-9,131.72

Finding the Fourth Proportional to 19,525.64, 29,274.54 and 9,131.72

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Solution

The fourth proportional to 19,525.64, 29,274.54 and 9,131.72 is: 13,691.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.64 : 29,274.54 = 9,131.72 : x
  2. Step 2: Convert to fraction form
    19,525.64/29,274.54 = 9,131.72/x
  3. Step 3: Cross multiply
    19,525.64x = 29,274.54 × 9,131.72
  4. Step 4: Simplify right side
    19,525.64x = 267,326,902.41
  5. Step 5: Solve for x
    x = 267,326,902.41/19,525.64
  6. Step 6: Final answer
    x = 13,691.07

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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.