Home / 25,345.20-37,986.66-14,228.58

Finding the Fourth Proportional to 25,345.20, 37,986.66 and 14,228.58

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Solution

The fourth proportional to 25,345.20, 37,986.66 and 14,228.58 is: 21,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.20 : 37,986.66 = 14,228.58 : x
  2. Step 2: Convert to fraction form
    25,345.20/37,986.66 = 14,228.58/x
  3. Step 3: Cross multiply
    25,345.20x = 37,986.66 × 14,228.58
  4. Step 4: Simplify right side
    25,345.20x = 540,496,230.74
  5. Step 5: Solve for x
    x = 540,496,230.74/25,345.20
  6. Step 6: Final answer
    x = 21,325.39

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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.