Home / 25,189.03-37,750.47-10,389.79

Finding the Fourth Proportional to 25,189.03, 37,750.47 and 10,389.79

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Solution

The fourth proportional to 25,189.03, 37,750.47 and 10,389.79 is: 15,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,189.03 : 37,750.47 = 10,389.79 : x
  2. Step 2: Convert to fraction form
    25,189.03/37,750.47 = 10,389.79/x
  3. Step 3: Cross multiply
    25,189.03x = 37,750.47 × 10,389.79
  4. Step 4: Simplify right side
    25,189.03x = 392,219,455.70
  5. Step 5: Solve for x
    x = 392,219,455.70/25,189.03
  6. Step 6: Final answer
    x = 15,571.04

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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.