Home / 25,106.35-37,659.74-6,386.40

Finding the Fourth Proportional to 25,106.35, 37,659.74 and 6,386.40

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Solution

The fourth proportional to 25,106.35, 37,659.74 and 6,386.40 is: 9,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.35 : 37,659.74 = 6,386.40 : x
  2. Step 2: Convert to fraction form
    25,106.35/37,659.74 = 6,386.40/x
  3. Step 3: Cross multiply
    25,106.35x = 37,659.74 × 6,386.40
  4. Step 4: Simplify right side
    25,106.35x = 240,510,276.50
  5. Step 5: Solve for x
    x = 240,510,276.50/25,106.35
  6. Step 6: Final answer
    x = 9,579.66

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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.