Home / 27,586.50-38,069.55-15,011.34

Finding the Fourth Proportional to 27,586.50, 38,069.55 and 15,011.34

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Solution

The fourth proportional to 27,586.50, 38,069.55 and 15,011.34 is: 20,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.50 : 38,069.55 = 15,011.34 : x
  2. Step 2: Convert to fraction form
    27,586.50/38,069.55 = 15,011.34/x
  3. Step 3: Cross multiply
    27,586.50x = 38,069.55 × 15,011.34
  4. Step 4: Simplify right side
    27,586.50x = 571,474,958.70
  5. Step 5: Solve for x
    x = 571,474,958.70/27,586.50
  6. Step 6: Final answer
    x = 20,715.75

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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.