Home / 29,237.72-40,346.76-18,630.76

Finding the Fourth Proportional to 29,237.72, 40,346.76 and 18,630.76

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Solution

The fourth proportional to 29,237.72, 40,346.76 and 18,630.76 is: 25,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,237.72 : 40,346.76 = 18,630.76 : x
  2. Step 2: Convert to fraction form
    29,237.72/40,346.76 = 18,630.76/x
  3. Step 3: Cross multiply
    29,237.72x = 40,346.76 × 18,630.76
  4. Step 4: Simplify right side
    29,237.72x = 751,690,802.34
  5. Step 5: Solve for x
    x = 751,690,802.34/29,237.72
  6. Step 6: Final answer
    x = 25,709.62

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Half scale
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Double 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.