Home / 25,070.92-37,607.42-20,680.20

Finding the Fourth Proportional to 25,070.92, 37,607.42 and 20,680.20

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Solution

The fourth proportional to 25,070.92, 37,607.42 and 20,680.20 is: 31,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.92 : 37,607.42 = 20,680.20 : x
  2. Step 2: Convert to fraction form
    25,070.92/37,607.42 = 20,680.20/x
  3. Step 3: Cross multiply
    25,070.92x = 37,607.42 × 20,680.20
  4. Step 4: Simplify right side
    25,070.92x = 777,728,967.08
  5. Step 5: Solve for x
    x = 777,728,967.08/25,070.92
  6. Step 6: Final answer
    x = 31,021.16

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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.