Home / 17,430.30-26,145.45-7,039.62

Finding the Fourth Proportional to 17,430.30, 26,145.45 and 7,039.62

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Solution

The fourth proportional to 17,430.30, 26,145.45 and 7,039.62 is: 10,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.30 : 26,145.45 = 7,039.62 : x
  2. Step 2: Convert to fraction form
    17,430.30/26,145.45 = 7,039.62/x
  3. Step 3: Cross multiply
    17,430.30x = 26,145.45 × 7,039.62
  4. Step 4: Simplify right side
    17,430.30x = 184,054,032.73
  5. Step 5: Solve for x
    x = 184,054,032.73/17,430.30
  6. Step 6: Final answer
    x = 10,559.43

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Half scale
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Double scale
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Similar ratio
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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.