Home / 16,818.21-23,209.29-9,264.58

Finding the Fourth Proportional to 16,818.21, 23,209.29 and 9,264.58

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Solution

The fourth proportional to 16,818.21, 23,209.29 and 9,264.58 is: 12,785.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.21 : 23,209.29 = 9,264.58 : x
  2. Step 2: Convert to fraction form
    16,818.21/23,209.29 = 9,264.58/x
  3. Step 3: Cross multiply
    16,818.21x = 23,209.29 × 9,264.58
  4. Step 4: Simplify right side
    16,818.21x = 215,024,323.95
  5. Step 5: Solve for x
    x = 215,024,323.95/16,818.21
  6. Step 6: Final answer
    x = 12,785.21

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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.