Home / 17,388.48-26,082.72-8,152.32

Finding the Fourth Proportional to 17,388.48, 26,082.72 and 8,152.32

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Solution

The fourth proportional to 17,388.48, 26,082.72 and 8,152.32 is: 12,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.48 : 26,082.72 = 8,152.32 : x
  2. Step 2: Convert to fraction form
    17,388.48/26,082.72 = 8,152.32/x
  3. Step 3: Cross multiply
    17,388.48x = 26,082.72 × 8,152.32
  4. Step 4: Simplify right side
    17,388.48x = 212,634,679.91
  5. Step 5: Solve for x
    x = 212,634,679.91/17,388.48
  6. Step 6: Final answer
    x = 12,228.48

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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.