Home / 19,569.65-27,010.94-12,017.79

Finding the Fourth Proportional to 19,569.65, 27,010.94 and 12,017.79

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Solution

The fourth proportional to 19,569.65, 27,010.94 and 12,017.79 is: 16,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.65 : 27,010.94 = 12,017.79 : x
  2. Step 2: Convert to fraction form
    19,569.65/27,010.94 = 12,017.79/x
  3. Step 3: Cross multiply
    19,569.65x = 27,010.94 × 12,017.79
  4. Step 4: Simplify right side
    19,569.65x = 324,611,744.53
  5. Step 5: Solve for x
    x = 324,611,744.53/19,569.65
  6. Step 6: Final answer
    x = 16,587.51

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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.