Home / 23,036.55-31,790.04-12,964.98

Finding the Fourth Proportional to 23,036.55, 31,790.04 and 12,964.98

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Solution

The fourth proportional to 23,036.55, 31,790.04 and 12,964.98 is: 17,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,036.55 : 31,790.04 = 12,964.98 : x
  2. Step 2: Convert to fraction form
    23,036.55/31,790.04 = 12,964.98/x
  3. Step 3: Cross multiply
    23,036.55x = 31,790.04 × 12,964.98
  4. Step 4: Simplify right side
    23,036.55x = 412,157,232.80
  5. Step 5: Solve for x
    x = 412,157,232.80/23,036.55
  6. Step 6: Final answer
    x = 17,891.45

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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.