Home / 12,363.20-18,501.60-11,326.40

Finding the Fourth Proportional to 12,363.20, 18,501.60 and 11,326.40

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Solution

The fourth proportional to 12,363.20, 18,501.60 and 11,326.40 is: 16,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.20 : 18,501.60 = 11,326.40 : x
  2. Step 2: Convert to fraction form
    12,363.20/18,501.60 = 11,326.40/x
  3. Step 3: Cross multiply
    12,363.20x = 18,501.60 × 11,326.40
  4. Step 4: Simplify right side
    12,363.20x = 209,556,522.24
  5. Step 5: Solve for x
    x = 209,556,522.24/12,363.20
  6. Step 6: Final answer
    x = 16,950.02

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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.