Home / 19,586.32-27,026.40-11,520.34

Finding the Fourth Proportional to 19,586.32, 27,026.40 and 11,520.34

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Solution

The fourth proportional to 19,586.32, 27,026.40 and 11,520.34 is: 15,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.32 : 27,026.40 = 11,520.34 : x
  2. Step 2: Convert to fraction form
    19,586.32/27,026.40 = 11,520.34/x
  3. Step 3: Cross multiply
    19,586.32x = 27,026.40 × 11,520.34
  4. Step 4: Simplify right side
    19,586.32x = 311,353,316.98
  5. Step 5: Solve for x
    x = 311,353,316.98/19,586.32
  6. Step 6: Final answer
    x = 15,896.47

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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.