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Finding the Fourth Proportional to 18,950.92, 26,094.90 and 14,959.24

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Solution

The fourth proportional to 18,950.92, 26,094.90 and 14,959.24 is: 20,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950.92 : 26,094.90 = 14,959.24 : x
  2. Step 2: Convert to fraction form
    18,950.92/26,094.90 = 14,959.24/x
  3. Step 3: Cross multiply
    18,950.92x = 26,094.90 × 14,959.24
  4. Step 4: Simplify right side
    18,950.92x = 390,359,871.88
  5. Step 5: Solve for x
    x = 390,359,871.88/18,950.92
  6. Step 6: Final answer
    x = 20,598.47

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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.