Home / 26,159.10-39,216.69-18,238.32

Finding the Fourth Proportional to 26,159.10, 39,216.69 and 18,238.32

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Solution

The fourth proportional to 26,159.10, 39,216.69 and 18,238.32 is: 27,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.10 : 39,216.69 = 18,238.32 : x
  2. Step 2: Convert to fraction form
    26,159.10/39,216.69 = 18,238.32/x
  3. Step 3: Cross multiply
    26,159.10x = 39,216.69 × 18,238.32
  4. Step 4: Simplify right side
    26,159.10x = 715,246,541.56
  5. Step 5: Solve for x
    x = 715,246,541.56/26,159.10
  6. Step 6: Final answer
    x = 27,342.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.