Home / 26,812.86-37,007.13-15,484.20

Finding the Fourth Proportional to 26,812.86, 37,007.13 and 15,484.20

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Solution

The fourth proportional to 26,812.86, 37,007.13 and 15,484.20 is: 21,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.86 : 37,007.13 = 15,484.20 : x
  2. Step 2: Convert to fraction form
    26,812.86/37,007.13 = 15,484.20/x
  3. Step 3: Cross multiply
    26,812.86x = 37,007.13 × 15,484.20
  4. Step 4: Simplify right side
    26,812.86x = 573,025,539.89
  5. Step 5: Solve for x
    x = 573,025,539.89/26,812.86
  6. Step 6: Final answer
    x = 21,371.30

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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.