Home / 14,885.07-20,541.32-8,170.82

Finding the Fourth Proportional to 14,885.07, 20,541.32 and 8,170.82

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Solution

The fourth proportional to 14,885.07, 20,541.32 and 8,170.82 is: 11,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.07 : 20,541.32 = 8,170.82 : x
  2. Step 2: Convert to fraction form
    14,885.07/20,541.32 = 8,170.82/x
  3. Step 3: Cross multiply
    14,885.07x = 20,541.32 × 8,170.82
  4. Step 4: Simplify right side
    14,885.07x = 167,839,392.39
  5. Step 5: Solve for x
    x = 167,839,392.39/14,885.07
  6. Step 6: Final answer
    x = 11,275.69

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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.