Home / 12,956.48-17,888.55-9,967.04

Finding the Fourth Proportional to 12,956.48, 17,888.55 and 9,967.04

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Solution

The fourth proportional to 12,956.48, 17,888.55 and 9,967.04 is: 13,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.48 : 17,888.55 = 9,967.04 : x
  2. Step 2: Convert to fraction form
    12,956.48/17,888.55 = 9,967.04/x
  3. Step 3: Cross multiply
    12,956.48x = 17,888.55 × 9,967.04
  4. Step 4: Simplify right side
    12,956.48x = 178,295,893.39
  5. Step 5: Solve for x
    x = 178,295,893.39/12,956.48
  6. Step 6: Final answer
    x = 13,761.14

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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.