Home / 13,366.65-19,936.94-12,595.74

Finding the Fourth Proportional to 13,366.65, 19,936.94 and 12,595.74

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Solution

The fourth proportional to 13,366.65, 19,936.94 and 12,595.74 is: 18,787.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.65 : 19,936.94 = 12,595.74 : x
  2. Step 2: Convert to fraction form
    13,366.65/19,936.94 = 12,595.74/x
  3. Step 3: Cross multiply
    13,366.65x = 19,936.94 × 12,595.74
  4. Step 4: Simplify right side
    13,366.65x = 251,120,374.89
  5. Step 5: Solve for x
    x = 251,120,374.89/13,366.65
  6. Step 6: Final answer
    x = 18,787.08

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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.