Home / 17,489.70-24,126.51-10,776.78

Finding the Fourth Proportional to 17,489.70, 24,126.51 and 10,776.78

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Solution

The fourth proportional to 17,489.70, 24,126.51 and 10,776.78 is: 14,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.70 : 24,126.51 = 10,776.78 : x
  2. Step 2: Convert to fraction form
    17,489.70/24,126.51 = 10,776.78/x
  3. Step 3: Cross multiply
    17,489.70x = 24,126.51 × 10,776.78
  4. Step 4: Simplify right side
    17,489.70x = 260,006,090.44
  5. Step 5: Solve for x
    x = 260,006,090.44/17,489.70
  6. Step 6: Final answer
    x = 14,866.24

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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.