Home / 19,595.70-27,023.40-12,886.98

Finding the Fourth Proportional to 19,595.70, 27,023.40 and 12,886.98

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Solution

The fourth proportional to 19,595.70, 27,023.40 and 12,886.98 is: 17,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.70 : 27,023.40 = 12,886.98 : x
  2. Step 2: Convert to fraction form
    19,595.70/27,023.40 = 12,886.98/x
  3. Step 3: Cross multiply
    19,595.70x = 27,023.40 × 12,886.98
  4. Step 4: Simplify right side
    19,595.70x = 348,250,015.33
  5. Step 5: Solve for x
    x = 348,250,015.33/19,595.70
  6. Step 6: Final answer
    x = 17,771.76

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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.