Home / 18,225.51-25,151.34-10,676.31

Finding the Fourth Proportional to 18,225.51, 25,151.34 and 10,676.31

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Solution

The fourth proportional to 18,225.51, 25,151.34 and 10,676.31 is: 14,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.51 : 25,151.34 = 10,676.31 : x
  2. Step 2: Convert to fraction form
    18,225.51/25,151.34 = 10,676.31/x
  3. Step 3: Cross multiply
    18,225.51x = 25,151.34 × 10,676.31
  4. Step 4: Simplify right side
    18,225.51x = 268,523,502.76
  5. Step 5: Solve for x
    x = 268,523,502.76/18,225.51
  6. Step 6: Final answer
    x = 14,733.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.