Home / 14,461.76-19,942.86-10,885.28

Finding the Fourth Proportional to 14,461.76, 19,942.86 and 10,885.28

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Solution

The fourth proportional to 14,461.76, 19,942.86 and 10,885.28 is: 15,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.76 : 19,942.86 = 10,885.28 : x
  2. Step 2: Convert to fraction form
    14,461.76/19,942.86 = 10,885.28/x
  3. Step 3: Cross multiply
    14,461.76x = 19,942.86 × 10,885.28
  4. Step 4: Simplify right side
    14,461.76x = 217,083,615.10
  5. Step 5: Solve for x
    x = 217,083,615.10/14,461.76
  6. Step 6: Final answer
    x = 15,010.87

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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.