Home / 14,156.67-19,536.12-7,869

Finding the Fourth Proportional to 14,156.67, 19,536.12 and 7,869

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Solution

The fourth proportional to 14,156.67, 19,536.12 and 7,869 is: 10,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.67 : 19,536.12 = 7,869 : x
  2. Step 2: Convert to fraction form
    14,156.67/19,536.12 = 7,869/x
  3. Step 3: Cross multiply
    14,156.67x = 19,536.12 × 7,869
  4. Step 4: Simplify right side
    14,156.67x = 153,729,728.28
  5. Step 5: Solve for x
    x = 153,729,728.28/14,156.67
  6. Step 6: Final answer
    x = 10,859.17

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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.