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Finding the Fourth Proportional to 14,873.51, 20,527.16 and 8,905.18

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Solution

The fourth proportional to 14,873.51, 20,527.16 and 8,905.18 is: 12,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.51 : 20,527.16 = 8,905.18 : x
  2. Step 2: Convert to fraction form
    14,873.51/20,527.16 = 8,905.18/x
  3. Step 3: Cross multiply
    14,873.51x = 20,527.16 × 8,905.18
  4. Step 4: Simplify right side
    14,873.51x = 182,798,054.69
  5. Step 5: Solve for x
    x = 182,798,054.69/14,873.51
  6. Step 6: Final answer
    x = 12,290.18

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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.