Home / 25,015.78-37,528.71-10,225.90

Finding the Fourth Proportional to 25,015.78, 37,528.71 and 10,225.90

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Solution

The fourth proportional to 25,015.78, 37,528.71 and 10,225.90 is: 15,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,015.78 : 37,528.71 = 10,225.90 : x
  2. Step 2: Convert to fraction form
    25,015.78/37,528.71 = 10,225.90/x
  3. Step 3: Cross multiply
    25,015.78x = 37,528.71 × 10,225.90
  4. Step 4: Simplify right side
    25,015.78x = 383,764,835.59
  5. Step 5: Solve for x
    x = 383,764,835.59/25,015.78
  6. Step 6: Final answer
    x = 15,340.91

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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.