Home / 13,240.68-18,276.23-8,524.95

Finding the Fourth Proportional to 13,240.68, 18,276.23 and 8,524.95

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Solution

The fourth proportional to 13,240.68, 18,276.23 and 8,524.95 is: 11,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.68 : 18,276.23 = 8,524.95 : x
  2. Step 2: Convert to fraction form
    13,240.68/18,276.23 = 8,524.95/x
  3. Step 3: Cross multiply
    13,240.68x = 18,276.23 × 8,524.95
  4. Step 4: Simplify right side
    13,240.68x = 155,803,946.94
  5. Step 5: Solve for x
    x = 155,803,946.94/13,240.68
  6. Step 6: Final answer
    x = 11,767.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.