Home / 16,317.36-22,509.81-12,725.82

Finding the Fourth Proportional to 16,317.36, 22,509.81 and 12,725.82

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Solution

The fourth proportional to 16,317.36, 22,509.81 and 12,725.82 is: 17,555.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.36 : 22,509.81 = 12,725.82 : x
  2. Step 2: Convert to fraction form
    16,317.36/22,509.81 = 12,725.82/x
  3. Step 3: Cross multiply
    16,317.36x = 22,509.81 × 12,725.82
  4. Step 4: Simplify right side
    16,317.36x = 286,455,790.29
  5. Step 5: Solve for x
    x = 286,455,790.29/16,317.36
  6. Step 6: Final answer
    x = 17,555.28

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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.