Home / 15,274.24-21,095.94-12,168.70

Finding the Fourth Proportional to 15,274.24, 21,095.94 and 12,168.70

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Solution

The fourth proportional to 15,274.24, 21,095.94 and 12,168.70 is: 16,806.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.24 : 21,095.94 = 12,168.70 : x
  2. Step 2: Convert to fraction form
    15,274.24/21,095.94 = 12,168.70/x
  3. Step 3: Cross multiply
    15,274.24x = 21,095.94 × 12,168.70
  4. Step 4: Simplify right side
    15,274.24x = 256,710,157.97
  5. Step 5: Solve for x
    x = 256,710,157.97/15,274.24
  6. Step 6: Final answer
    x = 16,806.74

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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.