Home / 25,565.58-38,354.13-7,797.81

Finding the Fourth Proportional to 25,565.58, 38,354.13 and 7,797.81

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Solution

The fourth proportional to 25,565.58, 38,354.13 and 7,797.81 is: 11,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.58 : 38,354.13 = 7,797.81 : x
  2. Step 2: Convert to fraction form
    25,565.58/38,354.13 = 7,797.81/x
  3. Step 3: Cross multiply
    25,565.58x = 38,354.13 × 7,797.81
  4. Step 4: Simplify right side
    25,565.58x = 299,078,218.46
  5. Step 5: Solve for x
    x = 299,078,218.46/25,565.58
  6. Step 6: Final answer
    x = 11,698.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.