Home / 19,859.32-27,395.58-13,486.24

Finding the Fourth Proportional to 19,859.32, 27,395.58 and 13,486.24

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Solution

The fourth proportional to 19,859.32, 27,395.58 and 13,486.24 is: 18,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.32 : 27,395.58 = 13,486.24 : x
  2. Step 2: Convert to fraction form
    19,859.32/27,395.58 = 13,486.24/x
  3. Step 3: Cross multiply
    19,859.32x = 27,395.58 × 13,486.24
  4. Step 4: Simplify right side
    19,859.32x = 369,463,366.82
  5. Step 5: Solve for x
    x = 369,463,366.82/19,859.32
  6. Step 6: Final answer
    x = 18,604.03

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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.