Home / 19,503.67-26,915.08-11,007.61

Finding the Fourth Proportional to 19,503.67, 26,915.08 and 11,007.61

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Solution

The fourth proportional to 19,503.67, 26,915.08 and 11,007.61 is: 15,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.67 : 26,915.08 = 11,007.61 : x
  2. Step 2: Convert to fraction form
    19,503.67/26,915.08 = 11,007.61/x
  3. Step 3: Cross multiply
    19,503.67x = 26,915.08 × 11,007.61
  4. Step 4: Simplify right side
    19,503.67x = 296,270,703.76
  5. Step 5: Solve for x
    x = 296,270,703.76/19,503.67
  6. Step 6: Final answer
    x = 15,190.51

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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.