Home / 25,140.60-37,709.69-9,345.60

Finding the Fourth Proportional to 25,140.60, 37,709.69 and 9,345.60

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Solution

The fourth proportional to 25,140.60, 37,709.69 and 9,345.60 is: 14,017.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.60 : 37,709.69 = 9,345.60 : x
  2. Step 2: Convert to fraction form
    25,140.60/37,709.69 = 9,345.60/x
  3. Step 3: Cross multiply
    25,140.60x = 37,709.69 × 9,345.60
  4. Step 4: Simplify right side
    25,140.60x = 352,419,632.14
  5. Step 5: Solve for x
    x = 352,419,632.14/25,140.60
  6. Step 6: Final answer
    x = 14,017.95

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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.