Home / 12,482.60-18,714.54-7,551.23

Finding the Fourth Proportional to 12,482.60, 18,714.54 and 7,551.23

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Solution

The fourth proportional to 12,482.60, 18,714.54 and 7,551.23 is: 11,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.60 : 18,714.54 = 7,551.23 : x
  2. Step 2: Convert to fraction form
    12,482.60/18,714.54 = 7,551.23/x
  3. Step 3: Cross multiply
    12,482.60x = 18,714.54 × 7,551.23
  4. Step 4: Simplify right side
    12,482.60x = 141,317,795.88
  5. Step 5: Solve for x
    x = 141,317,795.88/12,482.60
  6. Step 6: Final answer
    x = 11,321.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.