Home / 16,818.81-23,209.97-9,749.34

Finding the Fourth Proportional to 16,818.81, 23,209.97 and 9,749.34

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Solution

The fourth proportional to 16,818.81, 23,209.97 and 9,749.34 is: 13,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.81 : 23,209.97 = 9,749.34 : x
  2. Step 2: Convert to fraction form
    16,818.81/23,209.97 = 9,749.34/x
  3. Step 3: Cross multiply
    16,818.81x = 23,209.97 × 9,749.34
  4. Step 4: Simplify right side
    16,818.81x = 226,281,888.92
  5. Step 5: Solve for x
    x = 226,281,888.92/16,818.81
  6. Step 6: Final answer
    x = 13,454.10

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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.