Home / 23,052.18-31,811.67-12,980.64

Finding the Fourth Proportional to 23,052.18, 31,811.67 and 12,980.64

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Solution

The fourth proportional to 23,052.18, 31,811.67 and 12,980.64 is: 17,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.18 : 31,811.67 = 12,980.64 : x
  2. Step 2: Convert to fraction form
    23,052.18/31,811.67 = 12,980.64/x
  3. Step 3: Cross multiply
    23,052.18x = 31,811.67 × 12,980.64
  4. Step 4: Simplify right side
    23,052.18x = 412,935,836.07
  5. Step 5: Solve for x
    x = 412,935,836.07/23,052.18
  6. Step 6: Final answer
    x = 17,913.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.