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Finding the Fourth Proportional to 15,026.13, 20,733.44 and 9,359.08

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Solution

The fourth proportional to 15,026.13, 20,733.44 and 9,359.08 is: 12,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.13 : 20,733.44 = 9,359.08 : x
  2. Step 2: Convert to fraction form
    15,026.13/20,733.44 = 9,359.08/x
  3. Step 3: Cross multiply
    15,026.13x = 20,733.44 × 9,359.08
  4. Step 4: Simplify right side
    15,026.13x = 194,045,825.01
  5. Step 5: Solve for x
    x = 194,045,825.01/15,026.13
  6. Step 6: Final answer
    x = 12,913.89

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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.