Home / 29,243.39-40,355.84-15,814.51

Finding the Fourth Proportional to 29,243.39, 40,355.84 and 15,814.51

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Solution

The fourth proportional to 29,243.39, 40,355.84 and 15,814.51 is: 21,824.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,243.39 : 40,355.84 = 15,814.51 : x
  2. Step 2: Convert to fraction form
    29,243.39/40,355.84 = 15,814.51/x
  3. Step 3: Cross multiply
    29,243.39x = 40,355.84 × 15,814.51
  4. Step 4: Simplify right side
    29,243.39x = 638,207,773.89
  5. Step 5: Solve for x
    x = 638,207,773.89/29,243.39
  6. Step 6: Final answer
    x = 21,824.00

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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.