Home / 27,225.52-40,813.67-18,909.45

Finding the Fourth Proportional to 27,225.52, 40,813.67 and 18,909.45

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Solution

The fourth proportional to 27,225.52, 40,813.67 and 18,909.45 is: 28,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,225.52 : 40,813.67 = 18,909.45 : x
  2. Step 2: Convert to fraction form
    27,225.52/40,813.67 = 18,909.45/x
  3. Step 3: Cross multiply
    27,225.52x = 40,813.67 × 18,909.45
  4. Step 4: Simplify right side
    27,225.52x = 771,764,099.46
  5. Step 5: Solve for x
    x = 771,764,099.46/27,225.52
  6. Step 6: Final answer
    x = 28,347.09

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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.