Home / 25,852.86-38,604.17-20,528.12

Finding the Fourth Proportional to 25,852.86, 38,604.17 and 20,528.12

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Solution

The fourth proportional to 25,852.86, 38,604.17 and 20,528.12 is: 30,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.86 : 38,604.17 = 20,528.12 : x
  2. Step 2: Convert to fraction form
    25,852.86/38,604.17 = 20,528.12/x
  3. Step 3: Cross multiply
    25,852.86x = 38,604.17 × 20,528.12
  4. Step 4: Simplify right side
    25,852.86x = 792,471,182.09
  5. Step 5: Solve for x
    x = 792,471,182.09/25,852.86
  6. Step 6: Final answer
    x = 30,653.13

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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.