Home / 25,638.19-35,382.08-15,031.24

Finding the Fourth Proportional to 25,638.19, 35,382.08 and 15,031.24

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Solution

The fourth proportional to 25,638.19, 35,382.08 and 15,031.24 is: 20,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.19 : 35,382.08 = 15,031.24 : x
  2. Step 2: Convert to fraction form
    25,638.19/35,382.08 = 15,031.24/x
  3. Step 3: Cross multiply
    25,638.19x = 35,382.08 × 15,031.24
  4. Step 4: Simplify right side
    25,638.19x = 531,836,485.30
  5. Step 5: Solve for x
    x = 531,836,485.30/25,638.19
  6. Step 6: Final answer
    x = 20,743.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.