Home / 19,414.89-26,792.40-10,917.01

Finding the Fourth Proportional to 19,414.89, 26,792.40 and 10,917.01

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Solution

The fourth proportional to 19,414.89, 26,792.40 and 10,917.01 is: 15,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.89 : 26,792.40 = 10,917.01 : x
  2. Step 2: Convert to fraction form
    19,414.89/26,792.40 = 10,917.01/x
  3. Step 3: Cross multiply
    19,414.89x = 26,792.40 × 10,917.01
  4. Step 4: Simplify right side
    19,414.89x = 292,492,973.15
  5. Step 5: Solve for x
    x = 292,492,973.15/19,414.89
  6. Step 6: Final answer
    x = 15,065.39

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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.