Home / 15,312.42-22,968.62-4,219.22

Finding the Fourth Proportional to 15,312.42, 22,968.62 and 4,219.22

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Solution

The fourth proportional to 15,312.42, 22,968.62 and 4,219.22 is: 6,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.42 : 22,968.62 = 4,219.22 : x
  2. Step 2: Convert to fraction form
    15,312.42/22,968.62 = 4,219.22/x
  3. Step 3: Cross multiply
    15,312.42x = 22,968.62 × 4,219.22
  4. Step 4: Simplify right side
    15,312.42x = 96,909,556.58
  5. Step 5: Solve for x
    x = 96,909,556.58/15,312.42
  6. Step 6: Final answer
    x = 6,328.82

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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.