Home / 19,213.67-26,515.41-10,830.17

Finding the Fourth Proportional to 19,213.67, 26,515.41 and 10,830.17

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Solution

The fourth proportional to 19,213.67, 26,515.41 and 10,830.17 is: 14,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.67 : 26,515.41 = 10,830.17 : x
  2. Step 2: Convert to fraction form
    19,213.67/26,515.41 = 10,830.17/x
  3. Step 3: Cross multiply
    19,213.67x = 26,515.41 × 10,830.17
  4. Step 4: Simplify right side
    19,213.67x = 287,166,397.92
  5. Step 5: Solve for x
    x = 287,166,397.92/19,213.67
  6. Step 6: Final answer
    x = 14,945.94

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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.