Home / 22,423.02-33,639.79-6,840.64

Finding the Fourth Proportional to 22,423.02, 33,639.79 and 6,840.64

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Solution

The fourth proportional to 22,423.02, 33,639.79 and 6,840.64 is: 10,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.02 : 33,639.79 = 6,840.64 : x
  2. Step 2: Convert to fraction form
    22,423.02/33,639.79 = 6,840.64/x
  3. Step 3: Cross multiply
    22,423.02x = 33,639.79 × 6,840.64
  4. Step 4: Simplify right side
    22,423.02x = 230,117,693.07
  5. Step 5: Solve for x
    x = 230,117,693.07/22,423.02
  6. Step 6: Final answer
    x = 10,262.56

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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.