Home / 27,424.40-41,124.60-12,628.40

Finding the Fourth Proportional to 27,424.40, 41,124.60 and 12,628.40

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Solution

The fourth proportional to 27,424.40, 41,124.60 and 12,628.40 is: 18,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.40 : 41,124.60 = 12,628.40 : x
  2. Step 2: Convert to fraction form
    27,424.40/41,124.60 = 12,628.40/x
  3. Step 3: Cross multiply
    27,424.40x = 41,124.60 × 12,628.40
  4. Step 4: Simplify right side
    27,424.40x = 519,337,898.64
  5. Step 5: Solve for x
    x = 519,337,898.64/27,424.40
  6. Step 6: Final answer
    x = 18,937.07

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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.