Home / 23,818.07-32,871.63-13,749.21

Finding the Fourth Proportional to 23,818.07, 32,871.63 and 13,749.21

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Solution

The fourth proportional to 23,818.07, 32,871.63 and 13,749.21 is: 18,975.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,818.07 : 32,871.63 = 13,749.21 : x
  2. Step 2: Convert to fraction form
    23,818.07/32,871.63 = 13,749.21/x
  3. Step 3: Cross multiply
    23,818.07x = 32,871.63 × 13,749.21
  4. Step 4: Simplify right side
    23,818.07x = 451,958,943.91
  5. Step 5: Solve for x
    x = 451,958,943.91/23,818.07
  6. Step 6: Final answer
    x = 18,975.47

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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.