Home / 19,586.91-29,380.35-7,106.91

Finding the Fourth Proportional to 19,586.91, 29,380.35 and 7,106.91

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Solution

The fourth proportional to 19,586.91, 29,380.35 and 7,106.91 is: 10,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.91 : 29,380.35 = 7,106.91 : x
  2. Step 2: Convert to fraction form
    19,586.91/29,380.35 = 7,106.91/x
  3. Step 3: Cross multiply
    19,586.91x = 29,380.35 × 7,106.91
  4. Step 4: Simplify right side
    19,586.91x = 208,803,419.69
  5. Step 5: Solve for x
    x = 208,803,419.69/19,586.91
  6. Step 6: Final answer
    x = 10,660.35

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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.