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Finding the Fourth Proportional to 18,841.99, 26,001.95 and 10,458.49

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Solution

The fourth proportional to 18,841.99, 26,001.95 and 10,458.49 is: 14,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.99 : 26,001.95 = 10,458.49 : x
  2. Step 2: Convert to fraction form
    18,841.99/26,001.95 = 10,458.49/x
  3. Step 3: Cross multiply
    18,841.99x = 26,001.95 × 10,458.49
  4. Step 4: Simplify right side
    18,841.99x = 271,941,182.76
  5. Step 5: Solve for x
    x = 271,941,182.76/18,841.99
  6. Step 6: Final answer
    x = 14,432.72

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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.