Home / 19,554.48-29,328.75-6,406.56

Finding the Fourth Proportional to 19,554.48, 29,328.75 and 6,406.56

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Solution

The fourth proportional to 19,554.48, 29,328.75 and 6,406.56 is: 9,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.48 : 29,328.75 = 6,406.56 : x
  2. Step 2: Convert to fraction form
    19,554.48/29,328.75 = 6,406.56/x
  3. Step 3: Cross multiply
    19,554.48x = 29,328.75 × 6,406.56
  4. Step 4: Simplify right side
    19,554.48x = 187,896,396.60
  5. Step 5: Solve for x
    x = 187,896,396.60/19,554.48
  6. Step 6: Final answer
    x = 9,608.87

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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.