Home / 25,892.86-38,663.66-20,568.10

Finding the Fourth Proportional to 25,892.86, 38,663.66 and 20,568.10

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Solution

The fourth proportional to 25,892.86, 38,663.66 and 20,568.10 is: 30,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,892.86 : 38,663.66 = 20,568.10 : x
  2. Step 2: Convert to fraction form
    25,892.86/38,663.66 = 20,568.10/x
  3. Step 3: Cross multiply
    25,892.86x = 38,663.66 × 20,568.10
  4. Step 4: Simplify right side
    25,892.86x = 795,238,025.25
  5. Step 5: Solve for x
    x = 795,238,025.25/25,892.86
  6. Step 6: Final answer
    x = 30,712.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.