Home / 26,912.79-37,142.62-15,582.14

Finding the Fourth Proportional to 26,912.79, 37,142.62 and 15,582.14

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Solution

The fourth proportional to 26,912.79, 37,142.62 and 15,582.14 is: 21,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.79 : 37,142.62 = 15,582.14 : x
  2. Step 2: Convert to fraction form
    26,912.79/37,142.62 = 15,582.14/x
  3. Step 3: Cross multiply
    26,912.79x = 37,142.62 × 15,582.14
  4. Step 4: Simplify right side
    26,912.79x = 578,761,419.42
  5. Step 5: Solve for x
    x = 578,761,419.42/26,912.79
  6. Step 6: Final answer
    x = 21,505.07

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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.