Home / 23,148.69-31,943.53-13,588.97

Finding the Fourth Proportional to 23,148.69, 31,943.53 and 13,588.97

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Solution

The fourth proportional to 23,148.69, 31,943.53 and 13,588.97 is: 18,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.69 : 31,943.53 = 13,588.97 : x
  2. Step 2: Convert to fraction form
    23,148.69/31,943.53 = 13,588.97/x
  3. Step 3: Cross multiply
    23,148.69x = 31,943.53 × 13,588.97
  4. Step 4: Simplify right side
    23,148.69x = 434,079,528.13
  5. Step 5: Solve for x
    x = 434,079,528.13/23,148.69
  6. Step 6: Final answer
    x = 18,751.80

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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.