Home / 19,706.96-27,196.08-11,750.72

Finding the Fourth Proportional to 19,706.96, 27,196.08 and 11,750.72

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Solution

The fourth proportional to 19,706.96, 27,196.08 and 11,750.72 is: 16,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.96 : 27,196.08 = 11,750.72 : x
  2. Step 2: Convert to fraction form
    19,706.96/27,196.08 = 11,750.72/x
  3. Step 3: Cross multiply
    19,706.96x = 27,196.08 × 11,750.72
  4. Step 4: Simplify right side
    19,706.96x = 319,573,521.18
  5. Step 5: Solve for x
    x = 319,573,521.18/19,706.96
  6. Step 6: Final answer
    x = 16,216.28

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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.