Home / 23,662.08-32,656.64-13,729.28

Finding the Fourth Proportional to 23,662.08, 32,656.64 and 13,729.28

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Solution

The fourth proportional to 23,662.08, 32,656.64 and 13,729.28 is: 18,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,662.08 : 32,656.64 = 13,729.28 : x
  2. Step 2: Convert to fraction form
    23,662.08/32,656.64 = 13,729.28/x
  3. Step 3: Cross multiply
    23,662.08x = 32,656.64 × 13,729.28
  4. Step 4: Simplify right side
    23,662.08x = 448,352,154.42
  5. Step 5: Solve for x
    x = 448,352,154.42/23,662.08
  6. Step 6: Final answer
    x = 18,948.13

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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.