Home / 19,310.33-26,648.13-10,812.43

Finding the Fourth Proportional to 19,310.33, 26,648.13 and 10,812.43

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Solution

The fourth proportional to 19,310.33, 26,648.13 and 10,812.43 is: 14,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.33 : 26,648.13 = 10,812.43 : x
  2. Step 2: Convert to fraction form
    19,310.33/26,648.13 = 10,812.43/x
  3. Step 3: Cross multiply
    19,310.33x = 26,648.13 × 10,812.43
  4. Step 4: Simplify right side
    19,310.33x = 288,130,907.02
  5. Step 5: Solve for x
    x = 288,130,907.02/19,310.33
  6. Step 6: Final answer
    x = 14,921.08

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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.