Home / 16,865.34-25,307.93-7,505.79

Finding the Fourth Proportional to 16,865.34, 25,307.93 and 7,505.79

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Solution

The fourth proportional to 16,865.34, 25,307.93 and 7,505.79 is: 11,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.34 : 25,307.93 = 7,505.79 : x
  2. Step 2: Convert to fraction form
    16,865.34/25,307.93 = 7,505.79/x
  3. Step 3: Cross multiply
    16,865.34x = 25,307.93 × 7,505.79
  4. Step 4: Simplify right side
    16,865.34x = 189,955,843.85
  5. Step 5: Solve for x
    x = 189,955,843.85/16,865.34
  6. Step 6: Final answer
    x = 11,263.09

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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.