Home / 19,505.41-26,915.76-11,007.09

Finding the Fourth Proportional to 19,505.41, 26,915.76 and 11,007.09

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Solution

The fourth proportional to 19,505.41, 26,915.76 and 11,007.09 is: 15,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505.41 : 26,915.76 = 11,007.09 : x
  2. Step 2: Convert to fraction form
    19,505.41/26,915.76 = 11,007.09/x
  3. Step 3: Cross multiply
    19,505.41x = 26,915.76 × 11,007.09
  4. Step 4: Simplify right side
    19,505.41x = 296,264,192.74
  5. Step 5: Solve for x
    x = 296,264,192.74/19,505.41
  6. Step 6: Final answer
    x = 15,188.82

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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.