Home / 13,427.04-20,123.52-7,586.92

Finding the Fourth Proportional to 13,427.04, 20,123.52 and 7,586.92

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Solution

The fourth proportional to 13,427.04, 20,123.52 and 7,586.92 is: 11,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.04 : 20,123.52 = 7,586.92 : x
  2. Step 2: Convert to fraction form
    13,427.04/20,123.52 = 7,586.92/x
  3. Step 3: Cross multiply
    13,427.04x = 20,123.52 × 7,586.92
  4. Step 4: Simplify right side
    13,427.04x = 152,675,536.36
  5. Step 5: Solve for x
    x = 152,675,536.36/13,427.04
  6. Step 6: Final answer
    x = 11,370.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.