Home / 19,348.74-26,699.39-10,851.21

Finding the Fourth Proportional to 19,348.74, 26,699.39 and 10,851.21

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Solution

The fourth proportional to 19,348.74, 26,699.39 and 10,851.21 is: 14,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.74 : 26,699.39 = 10,851.21 : x
  2. Step 2: Convert to fraction form
    19,348.74/26,699.39 = 10,851.21/x
  3. Step 3: Cross multiply
    19,348.74x = 26,699.39 × 10,851.21
  4. Step 4: Simplify right side
    19,348.74x = 289,720,648.14
  5. Step 5: Solve for x
    x = 289,720,648.14/19,348.74
  6. Step 6: Final answer
    x = 14,973.62

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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.