Home / 17,478.39-24,119.34-9,520.59

Finding the Fourth Proportional to 17,478.39, 24,119.34 and 9,520.59

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Solution

The fourth proportional to 17,478.39, 24,119.34 and 9,520.59 is: 13,137.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.39 : 24,119.34 = 9,520.59 : x
  2. Step 2: Convert to fraction form
    17,478.39/24,119.34 = 9,520.59/x
  3. Step 3: Cross multiply
    17,478.39x = 24,119.34 × 9,520.59
  4. Step 4: Simplify right side
    17,478.39x = 229,630,347.21
  5. Step 5: Solve for x
    x = 229,630,347.21/17,478.39
  6. Step 6: Final answer
    x = 13,137.96

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Half scale
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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.