Home / 25,274.88-37,920.72-10,490.64

Finding the Fourth Proportional to 25,274.88, 37,920.72 and 10,490.64

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Solution

The fourth proportional to 25,274.88, 37,920.72 and 10,490.64 is: 15,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.88 : 37,920.72 = 10,490.64 : x
  2. Step 2: Convert to fraction form
    25,274.88/37,920.72 = 10,490.64/x
  3. Step 3: Cross multiply
    25,274.88x = 37,920.72 × 10,490.64
  4. Step 4: Simplify right side
    25,274.88x = 397,812,622.06
  5. Step 5: Solve for x
    x = 397,812,622.06/25,274.88
  6. Step 6: Final answer
    x = 15,739.45

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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.