Home / 19,611.52-27,060.72-11,228.08

Finding the Fourth Proportional to 19,611.52, 27,060.72 and 11,228.08

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Solution

The fourth proportional to 19,611.52, 27,060.72 and 11,228.08 is: 15,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.52 : 27,060.72 = 11,228.08 : x
  2. Step 2: Convert to fraction form
    19,611.52/27,060.72 = 11,228.08/x
  3. Step 3: Cross multiply
    19,611.52x = 27,060.72 × 11,228.08
  4. Step 4: Simplify right side
    19,611.52x = 303,839,929.02
  5. Step 5: Solve for x
    x = 303,839,929.02/19,611.52
  6. Step 6: Final answer
    x = 15,492.93

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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.