Home / 19,552.10-29,328.15-6,405.80

Finding the Fourth Proportional to 19,552.10, 29,328.15 and 6,405.80

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Solution

The fourth proportional to 19,552.10, 29,328.15 and 6,405.80 is: 9,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,552.10 : 29,328.15 = 6,405.80 : x
  2. Step 2: Convert to fraction form
    19,552.10/29,328.15 = 6,405.80/x
  3. Step 3: Cross multiply
    19,552.10x = 29,328.15 × 6,405.80
  4. Step 4: Simplify right side
    19,552.10x = 187,870,263.27
  5. Step 5: Solve for x
    x = 187,870,263.27/19,552.10
  6. Step 6: Final answer
    x = 9,608.70

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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.