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Finding the Fourth Proportional to 18,009.93, 24,851.24 and 10,455.06

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Solution

The fourth proportional to 18,009.93, 24,851.24 and 10,455.06 is: 14,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.93 : 24,851.24 = 10,455.06 : x
  2. Step 2: Convert to fraction form
    18,009.93/24,851.24 = 10,455.06/x
  3. Step 3: Cross multiply
    18,009.93x = 24,851.24 × 10,455.06
  4. Step 4: Simplify right side
    18,009.93x = 259,821,285.40
  5. Step 5: Solve for x
    x = 259,821,285.40/18,009.93
  6. Step 6: Final answer
    x = 14,426.55

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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.