Home / 25,794.40-38,779.08-20,595.82

Finding the Fourth Proportional to 25,794.40, 38,779.08 and 20,595.82

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Solution

The fourth proportional to 25,794.40, 38,779.08 and 20,595.82 is: 30,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.40 : 38,779.08 = 20,595.82 : x
  2. Step 2: Convert to fraction form
    25,794.40/38,779.08 = 20,595.82/x
  3. Step 3: Cross multiply
    25,794.40x = 38,779.08 × 20,595.82
  4. Step 4: Simplify right side
    25,794.40x = 798,686,951.45
  5. Step 5: Solve for x
    x = 798,686,951.45/25,794.40
  6. Step 6: Final answer
    x = 30,963.58

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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.