Home / 24,621.30-36,927.78-7,978.92

Finding the Fourth Proportional to 24,621.30, 36,927.78 and 7,978.92

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Solution

The fourth proportional to 24,621.30, 36,927.78 and 7,978.92 is: 11,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,621.30 : 36,927.78 = 7,978.92 : x
  2. Step 2: Convert to fraction form
    24,621.30/36,927.78 = 7,978.92/x
  3. Step 3: Cross multiply
    24,621.30x = 36,927.78 × 7,978.92
  4. Step 4: Simplify right side
    24,621.30x = 294,643,802.40
  5. Step 5: Solve for x
    x = 294,643,802.40/24,621.30
  6. Step 6: Final answer
    x = 11,967.03

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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.