Home / 19,503.81-26,915.27-11,007.74

Finding the Fourth Proportional to 19,503.81, 26,915.27 and 11,007.74

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Solution

The fourth proportional to 19,503.81, 26,915.27 and 11,007.74 is: 15,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.81 : 26,915.27 = 11,007.74 : x
  2. Step 2: Convert to fraction form
    19,503.81/26,915.27 = 11,007.74/x
  3. Step 3: Cross multiply
    19,503.81x = 26,915.27 × 11,007.74
  4. Step 4: Simplify right side
    19,503.81x = 296,276,306.44
  5. Step 5: Solve for x
    x = 296,276,306.44/19,503.81
  6. Step 6: Final answer
    x = 15,190.69

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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.