Home / 15,457.16-21,348.66-10,175.56

Finding the Fourth Proportional to 15,457.16, 21,348.66 and 10,175.56

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Solution

The fourth proportional to 15,457.16, 21,348.66 and 10,175.56 is: 14,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.16 : 21,348.66 = 10,175.56 : x
  2. Step 2: Convert to fraction form
    15,457.16/21,348.66 = 10,175.56/x
  3. Step 3: Cross multiply
    15,457.16x = 21,348.66 × 10,175.56
  4. Step 4: Simplify right side
    15,457.16x = 217,234,570.75
  5. Step 5: Solve for x
    x = 217,234,570.75/15,457.16
  6. Step 6: Final answer
    x = 14,053.98

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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.