Home / 21,027.67-29,017.65-11,595.63

Finding the Fourth Proportional to 21,027.67, 29,017.65 and 11,595.63

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Solution

The fourth proportional to 21,027.67, 29,017.65 and 11,595.63 is: 16,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.67 : 29,017.65 = 11,595.63 : x
  2. Step 2: Convert to fraction form
    21,027.67/29,017.65 = 11,595.63/x
  3. Step 3: Cross multiply
    21,027.67x = 29,017.65 × 11,595.63
  4. Step 4: Simplify right side
    21,027.67x = 336,477,932.87
  5. Step 5: Solve for x
    x = 336,477,932.87/21,027.67
  6. Step 6: Final answer
    x = 16,001.67

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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.