Home / 27,586.58-38,069.61-15,011.42

Finding the Fourth Proportional to 27,586.58, 38,069.61 and 15,011.42

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Solution

The fourth proportional to 27,586.58, 38,069.61 and 15,011.42 is: 20,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,586.58 : 38,069.61 = 15,011.42 : x
  2. Step 2: Convert to fraction form
    27,586.58/38,069.61 = 15,011.42/x
  3. Step 3: Cross multiply
    27,586.58x = 38,069.61 × 15,011.42
  4. Step 4: Simplify right side
    27,586.58x = 571,478,904.95
  5. Step 5: Solve for x
    x = 571,478,904.95/27,586.58
  6. Step 6: Final answer
    x = 20,715.83

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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.