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Finding the Fourth Proportional to 17,886.76, 24,708.18 and 14,525.80

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Solution

The fourth proportional to 17,886.76, 24,708.18 and 14,525.80 is: 20,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.76 : 24,708.18 = 14,525.80 : x
  2. Step 2: Convert to fraction form
    17,886.76/24,708.18 = 14,525.80/x
  3. Step 3: Cross multiply
    17,886.76x = 24,708.18 × 14,525.80
  4. Step 4: Simplify right side
    17,886.76x = 358,906,081.04
  5. Step 5: Solve for x
    x = 358,906,081.04/17,886.76
  6. Step 6: Final answer
    x = 20,065.46

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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.