Home / 25,688.89-35,449.96-14,358.43

Finding the Fourth Proportional to 25,688.89, 35,449.96 and 14,358.43

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Solution

The fourth proportional to 25,688.89, 35,449.96 and 14,358.43 is: 19,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.89 : 35,449.96 = 14,358.43 : x
  2. Step 2: Convert to fraction form
    25,688.89/35,449.96 = 14,358.43/x
  3. Step 3: Cross multiply
    25,688.89x = 35,449.96 × 14,358.43
  4. Step 4: Simplify right side
    25,688.89x = 509,005,769.16
  5. Step 5: Solve for x
    x = 509,005,769.16/25,688.89
  6. Step 6: Final answer
    x = 19,814.24

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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.