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Finding the Fourth Proportional to 14,873.54, 20,526.43 and 9,828.91

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Solution

The fourth proportional to 14,873.54, 20,526.43 and 9,828.91 is: 13,564.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.54 : 20,526.43 = 9,828.91 : x
  2. Step 2: Convert to fraction form
    14,873.54/20,526.43 = 9,828.91/x
  3. Step 3: Cross multiply
    14,873.54x = 20,526.43 × 9,828.91
  4. Step 4: Simplify right side
    14,873.54x = 201,752,433.09
  5. Step 5: Solve for x
    x = 201,752,433.09/14,873.54
  6. Step 6: Final answer
    x = 13,564.52

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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.