Home / 13,973.84-19,314.72-12,282.56

Finding the Fourth Proportional to 13,973.84, 19,314.72 and 12,282.56

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Solution

The fourth proportional to 13,973.84, 19,314.72 and 12,282.56 is: 16,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.84 : 19,314.72 = 12,282.56 : x
  2. Step 2: Convert to fraction form
    13,973.84/19,314.72 = 12,282.56/x
  3. Step 3: Cross multiply
    13,973.84x = 19,314.72 × 12,282.56
  4. Step 4: Simplify right side
    13,973.84x = 237,234,207.28
  5. Step 5: Solve for x
    x = 237,234,207.28/13,973.84
  6. Step 6: Final answer
    x = 16,977.02

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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.