Home / 22,274.91-30,731.74-12,707.93

Finding the Fourth Proportional to 22,274.91, 30,731.74 and 12,707.93

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Solution

The fourth proportional to 22,274.91, 30,731.74 and 12,707.93 is: 17,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.91 : 30,731.74 = 12,707.93 : x
  2. Step 2: Convert to fraction form
    22,274.91/30,731.74 = 12,707.93/x
  3. Step 3: Cross multiply
    22,274.91x = 30,731.74 × 12,707.93
  4. Step 4: Simplify right side
    22,274.91x = 390,536,845.76
  5. Step 5: Solve for x
    x = 390,536,845.76/22,274.91
  6. Step 6: Final answer
    x = 17,532.59

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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.