Home / 19,683.40-27,157.26-12,597.52

Finding the Fourth Proportional to 19,683.40, 27,157.26 and 12,597.52

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Solution

The fourth proportional to 19,683.40, 27,157.26 and 12,597.52 is: 17,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.40 : 27,157.26 = 12,597.52 : x
  2. Step 2: Convert to fraction form
    19,683.40/27,157.26 = 12,597.52/x
  3. Step 3: Cross multiply
    19,683.40x = 27,157.26 × 12,597.52
  4. Step 4: Simplify right side
    19,683.40x = 342,114,126.00
  5. Step 5: Solve for x
    x = 342,114,126.00/19,683.40
  6. Step 6: Final answer
    x = 17,380.85

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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.