Home / 27,030.08-40,545.68-12,236.32

Finding the Fourth Proportional to 27,030.08, 40,545.68 and 12,236.32

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Solution

The fourth proportional to 27,030.08, 40,545.68 and 12,236.32 is: 18,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,030.08 : 40,545.68 = 12,236.32 : x
  2. Step 2: Convert to fraction form
    27,030.08/40,545.68 = 12,236.32/x
  3. Step 3: Cross multiply
    27,030.08x = 40,545.68 × 12,236.32
  4. Step 4: Simplify right side
    27,030.08x = 496,129,915.10
  5. Step 5: Solve for x
    x = 496,129,915.10/27,030.08
  6. Step 6: Final answer
    x = 18,354.73

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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.