Home / 16,931.90-25,372.34-15,086.32

Finding the Fourth Proportional to 16,931.90, 25,372.34 and 15,086.32

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Solution

The fourth proportional to 16,931.90, 25,372.34 and 15,086.32 is: 22,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.90 : 25,372.34 = 15,086.32 : x
  2. Step 2: Convert to fraction form
    16,931.90/25,372.34 = 15,086.32/x
  3. Step 3: Cross multiply
    16,931.90x = 25,372.34 × 15,086.32
  4. Step 4: Simplify right side
    16,931.90x = 382,775,158.10
  5. Step 5: Solve for x
    x = 382,775,158.10/16,931.90
  6. Step 6: Final answer
    x = 22,606.74

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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.