Home / 25,388.38-35,031.08-16,434.64

Finding the Fourth Proportional to 25,388.38, 35,031.08 and 16,434.64

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Solution

The fourth proportional to 25,388.38, 35,031.08 and 16,434.64 is: 22,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,388.38 : 35,031.08 = 16,434.64 : x
  2. Step 2: Convert to fraction form
    25,388.38/35,031.08 = 16,434.64/x
  3. Step 3: Cross multiply
    25,388.38x = 35,031.08 × 16,434.64
  4. Step 4: Simplify right side
    25,388.38x = 575,723,188.61
  5. Step 5: Solve for x
    x = 575,723,188.61/25,388.38
  6. Step 6: Final answer
    x = 22,676.64

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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.