Home / 25,106.85-37,660.49-6,386.91

Finding the Fourth Proportional to 25,106.85, 37,660.49 and 6,386.91

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Solution

The fourth proportional to 25,106.85, 37,660.49 and 6,386.91 is: 9,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.85 : 37,660.49 = 6,386.91 : x
  2. Step 2: Convert to fraction form
    25,106.85/37,660.49 = 6,386.91/x
  3. Step 3: Cross multiply
    25,106.85x = 37,660.49 × 6,386.91
  4. Step 4: Simplify right side
    25,106.85x = 240,533,971.88
  5. Step 5: Solve for x
    x = 240,533,971.88/25,106.85
  6. Step 6: Final answer
    x = 9,580.41

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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.