Home / 16,818.19-23,209.10-9,748.71

Finding the Fourth Proportional to 16,818.19, 23,209.10 and 9,748.71

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Solution

The fourth proportional to 16,818.19, 23,209.10 and 9,748.71 is: 13,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.19 : 23,209.10 = 9,748.71 : x
  2. Step 2: Convert to fraction form
    16,818.19/23,209.10 = 9,748.71/x
  3. Step 3: Cross multiply
    16,818.19x = 23,209.10 × 9,748.71
  4. Step 4: Simplify right side
    16,818.19x = 226,258,773.08
  5. Step 5: Solve for x
    x = 226,258,773.08/16,818.19
  6. Step 6: Final answer
    x = 13,453.22

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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.