Home / 16,720.95-25,081.56-13,597.32

Finding the Fourth Proportional to 16,720.95, 25,081.56 and 13,597.32

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Solution

The fourth proportional to 16,720.95, 25,081.56 and 13,597.32 is: 20,396.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.95 : 25,081.56 = 13,597.32 : x
  2. Step 2: Convert to fraction form
    16,720.95/25,081.56 = 13,597.32/x
  3. Step 3: Cross multiply
    16,720.95x = 25,081.56 × 13,597.32
  4. Step 4: Simplify right side
    16,720.95x = 341,041,997.42
  5. Step 5: Solve for x
    x = 341,041,997.42/16,720.95
  6. Step 6: Final answer
    x = 20,396.09

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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.