Home / 19,475.42-26,858.44-12,758.60

Finding the Fourth Proportional to 19,475.42, 26,858.44 and 12,758.60

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Solution

The fourth proportional to 19,475.42, 26,858.44 and 12,758.60 is: 17,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,475.42 : 26,858.44 = 12,758.60 : x
  2. Step 2: Convert to fraction form
    19,475.42/26,858.44 = 12,758.60/x
  3. Step 3: Cross multiply
    19,475.42x = 26,858.44 × 12,758.60
  4. Step 4: Simplify right side
    19,475.42x = 342,676,092.58
  5. Step 5: Solve for x
    x = 342,676,092.58/19,475.42
  6. Step 6: Final answer
    x = 17,595.31

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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.