Home / 15,725.67-23,473.27-13,660.17

Finding the Fourth Proportional to 15,725.67, 23,473.27 and 13,660.17

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Solution

The fourth proportional to 15,725.67, 23,473.27 and 13,660.17 is: 20,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.67 : 23,473.27 = 13,660.17 : x
  2. Step 2: Convert to fraction form
    15,725.67/23,473.27 = 13,660.17/x
  3. Step 3: Cross multiply
    15,725.67x = 23,473.27 × 13,660.17
  4. Step 4: Simplify right side
    15,725.67x = 320,648,858.66
  5. Step 5: Solve for x
    x = 320,648,858.66/15,725.67
  6. Step 6: Final answer
    x = 20,390.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.