Home / 22,707.30-31,336.96-13,749.74

Finding the Fourth Proportional to 22,707.30, 31,336.96 and 13,749.74

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Solution

The fourth proportional to 22,707.30, 31,336.96 and 13,749.74 is: 18,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.30 : 31,336.96 = 13,749.74 : x
  2. Step 2: Convert to fraction form
    22,707.30/31,336.96 = 13,749.74/x
  3. Step 3: Cross multiply
    22,707.30x = 31,336.96 × 13,749.74
  4. Step 4: Simplify right side
    22,707.30x = 430,875,052.39
  5. Step 5: Solve for x
    x = 430,875,052.39/22,707.30
  6. Step 6: Final answer
    x = 18,975.18

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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.