Home / 25,555.91-38,317.46-16,780.58

Finding the Fourth Proportional to 25,555.91, 38,317.46 and 16,780.58

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Solution

The fourth proportional to 25,555.91, 38,317.46 and 16,780.58 is: 25,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,555.91 : 38,317.46 = 16,780.58 : x
  2. Step 2: Convert to fraction form
    25,555.91/38,317.46 = 16,780.58/x
  3. Step 3: Cross multiply
    25,555.91x = 38,317.46 × 16,780.58
  4. Step 4: Simplify right side
    25,555.91x = 642,988,927.44
  5. Step 5: Solve for x
    x = 642,988,927.44/25,555.91
  6. Step 6: Final answer
    x = 25,160.08

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1.5x scale

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.