Home / 38,274.64-57,415.28-10,572.64

Finding the Fourth Proportional to 38,274.64, 57,415.28 and 10,572.64

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Solution

The fourth proportional to 38,274.64, 57,415.28 and 10,572.64 is: 15,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,274.64 : 57,415.28 = 10,572.64 : x
  2. Step 2: Convert to fraction form
    38,274.64/57,415.28 = 10,572.64/x
  3. Step 3: Cross multiply
    38,274.64x = 57,415.28 × 10,572.64
  4. Step 4: Simplify right side
    38,274.64x = 607,031,085.94
  5. Step 5: Solve for x
    x = 607,031,085.94/38,274.64
  6. Step 6: Final answer
    x = 15,859.88

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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.