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Finding the Fourth Proportional to 14,810.58, 20,436.60 and 9,512.58

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Solution

The fourth proportional to 14,810.58, 20,436.60 and 9,512.58 is: 13,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.58 : 20,436.60 = 9,512.58 : x
  2. Step 2: Convert to fraction form
    14,810.58/20,436.60 = 9,512.58/x
  3. Step 3: Cross multiply
    14,810.58x = 20,436.60 × 9,512.58
  4. Step 4: Simplify right side
    14,810.58x = 194,404,792.43
  5. Step 5: Solve for x
    x = 194,404,792.43/14,810.58
  6. Step 6: Final answer
    x = 13,126.08

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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.