Home / 12,595.60-18,987.74-11,749.84

Finding the Fourth Proportional to 12,595.60, 18,987.74 and 11,749.84

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Solution

The fourth proportional to 12,595.60, 18,987.74 and 11,749.84 is: 17,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.60 : 18,987.74 = 11,749.84 : x
  2. Step 2: Convert to fraction form
    12,595.60/18,987.74 = 11,749.84/x
  3. Step 3: Cross multiply
    12,595.60x = 18,987.74 × 11,749.84
  4. Step 4: Simplify right side
    12,595.60x = 223,102,906.96
  5. Step 5: Solve for x
    x = 223,102,906.96/12,595.60
  6. Step 6: Final answer
    x = 17,712.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.