Home / 19,353.06-26,706.66-11,400.72

Finding the Fourth Proportional to 19,353.06, 26,706.66 and 11,400.72

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Solution

The fourth proportional to 19,353.06, 26,706.66 and 11,400.72 is: 15,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.06 : 26,706.66 = 11,400.72 : x
  2. Step 2: Convert to fraction form
    19,353.06/26,706.66 = 11,400.72/x
  3. Step 3: Cross multiply
    19,353.06x = 26,706.66 × 11,400.72
  4. Step 4: Simplify right side
    19,353.06x = 304,475,152.80
  5. Step 5: Solve for x
    x = 304,475,152.80/19,353.06
  6. Step 6: Final answer
    x = 15,732.66

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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.