Home / 29,293.08-40,424.66-15,864.36

Finding the Fourth Proportional to 29,293.08, 40,424.66 and 15,864.36

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Solution

The fourth proportional to 29,293.08, 40,424.66 and 15,864.36 is: 21,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,293.08 : 40,424.66 = 15,864.36 : x
  2. Step 2: Convert to fraction form
    29,293.08/40,424.66 = 15,864.36/x
  3. Step 3: Cross multiply
    29,293.08x = 40,424.66 × 15,864.36
  4. Step 4: Simplify right side
    29,293.08x = 641,311,359.12
  5. Step 5: Solve for x
    x = 641,311,359.12/29,293.08
  6. Step 6: Final answer
    x = 21,892.93

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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.