Home / 23,133.80-34,723.74-12,750.44

Finding the Fourth Proportional to 23,133.80, 34,723.74 and 12,750.44

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Solution

The fourth proportional to 23,133.80, 34,723.74 and 12,750.44 is: 19,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.80 : 34,723.74 = 12,750.44 : x
  2. Step 2: Convert to fraction form
    23,133.80/34,723.74 = 12,750.44/x
  3. Step 3: Cross multiply
    23,133.80x = 34,723.74 × 12,750.44
  4. Step 4: Simplify right side
    23,133.80x = 442,742,963.45
  5. Step 5: Solve for x
    x = 442,742,963.45/23,133.80
  6. Step 6: Final answer
    x = 19,138.36

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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.