Home / 12,000.96-17,858.88-11,534.40

Finding the Fourth Proportional to 12,000.96, 17,858.88 and 11,534.40

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Solution

The fourth proportional to 12,000.96, 17,858.88 and 11,534.40 is: 17,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.96 : 17,858.88 = 11,534.40 : x
  2. Step 2: Convert to fraction form
    12,000.96/17,858.88 = 11,534.40/x
  3. Step 3: Cross multiply
    12,000.96x = 17,858.88 × 11,534.40
  4. Step 4: Simplify right side
    12,000.96x = 205,991,465.47
  5. Step 5: Solve for x
    x = 205,991,465.47/12,000.96
  6. Step 6: Final answer
    x = 17,164.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.