Home / 12,362.58-18,543.96-9,891.26

Finding the Fourth Proportional to 12,362.58, 18,543.96 and 9,891.26

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Solution

The fourth proportional to 12,362.58, 18,543.96 and 9,891.26 is: 14,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.58 : 18,543.96 = 9,891.26 : x
  2. Step 2: Convert to fraction form
    12,362.58/18,543.96 = 9,891.26/x
  3. Step 3: Cross multiply
    12,362.58x = 18,543.96 × 9,891.26
  4. Step 4: Simplify right side
    12,362.58x = 183,423,129.79
  5. Step 5: Solve for x
    x = 183,423,129.79/12,362.58
  6. Step 6: Final answer
    x = 14,836.96

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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.