Home / 19,211.10-26,510.30-10,827.06

Finding the Fourth Proportional to 19,211.10, 26,510.30 and 10,827.06

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Solution

The fourth proportional to 19,211.10, 26,510.30 and 10,827.06 is: 14,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.10 : 26,510.30 = 10,827.06 : x
  2. Step 2: Convert to fraction form
    19,211.10/26,510.30 = 10,827.06/x
  3. Step 3: Cross multiply
    19,211.10x = 26,510.30 × 10,827.06
  4. Step 4: Simplify right side
    19,211.10x = 287,028,608.72
  5. Step 5: Solve for x
    x = 287,028,608.72/19,211.10
  6. Step 6: Final answer
    x = 14,940.77

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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.