Home / 17,685.74-24,416.44-11,725.51

Finding the Fourth Proportional to 17,685.74, 24,416.44 and 11,725.51

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Solution

The fourth proportional to 17,685.74, 24,416.44 and 11,725.51 is: 16,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.74 : 24,416.44 = 11,725.51 : x
  2. Step 2: Convert to fraction form
    17,685.74/24,416.44 = 11,725.51/x
  3. Step 3: Cross multiply
    17,685.74x = 24,416.44 × 11,725.51
  4. Step 4: Simplify right side
    17,685.74x = 286,295,166.81
  5. Step 5: Solve for x
    x = 286,295,166.81/17,685.74
  6. Step 6: Final answer
    x = 16,187.91

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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.