Home / 22,899.59-31,583.67-15,343.51

Finding the Fourth Proportional to 22,899.59, 31,583.67 and 15,343.51

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Solution

The fourth proportional to 22,899.59, 31,583.67 and 15,343.51 is: 21,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.59 : 31,583.67 = 15,343.51 : x
  2. Step 2: Convert to fraction form
    22,899.59/31,583.67 = 15,343.51/x
  3. Step 3: Cross multiply
    22,899.59x = 31,583.67 × 15,343.51
  4. Step 4: Simplify right side
    22,899.59x = 484,604,219.98
  5. Step 5: Solve for x
    x = 484,604,219.98/22,899.59
  6. Step 6: Final answer
    x = 21,162.13

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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.