Home / 12,527.30-18,692.92-12,454.40

Finding the Fourth Proportional to 12,527.30, 18,692.92 and 12,454.40

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Solution

The fourth proportional to 12,527.30, 18,692.92 and 12,454.40 is: 18,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.30 : 18,692.92 = 12,454.40 : x
  2. Step 2: Convert to fraction form
    12,527.30/18,692.92 = 12,454.40/x
  3. Step 3: Cross multiply
    12,527.30x = 18,692.92 × 12,454.40
  4. Step 4: Simplify right side
    12,527.30x = 232,809,102.85
  5. Step 5: Solve for x
    x = 232,809,102.85/12,527.30
  6. Step 6: Final answer
    x = 18,584.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.