Home / 25,287.28-37,914.72-10,506.40

Finding the Fourth Proportional to 25,287.28, 37,914.72 and 10,506.40

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Solution

The fourth proportional to 25,287.28, 37,914.72 and 10,506.40 is: 15,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.28 : 37,914.72 = 10,506.40 : x
  2. Step 2: Convert to fraction form
    25,287.28/37,914.72 = 10,506.40/x
  3. Step 3: Cross multiply
    25,287.28x = 37,914.72 × 10,506.40
  4. Step 4: Simplify right side
    25,287.28x = 398,347,214.21
  5. Step 5: Solve for x
    x = 398,347,214.21/25,287.28
  6. Step 6: Final answer
    x = 15,752.87

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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.