Home / 15,772.18-23,657.75-6,409.43

Finding the Fourth Proportional to 15,772.18, 23,657.75 and 6,409.43

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Solution

The fourth proportional to 15,772.18, 23,657.75 and 6,409.43 is: 9,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.18 : 23,657.75 = 6,409.43 : x
  2. Step 2: Convert to fraction form
    15,772.18/23,657.75 = 6,409.43/x
  3. Step 3: Cross multiply
    15,772.18x = 23,657.75 × 6,409.43
  4. Step 4: Simplify right side
    15,772.18x = 151,632,692.58
  5. Step 5: Solve for x
    x = 151,632,692.58/15,772.18
  6. Step 6: Final answer
    x = 9,613.93

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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.