Home / 22,646.08-31,258.20-15,103.36

Finding the Fourth Proportional to 22,646.08, 31,258.20 and 15,103.36

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Solution

The fourth proportional to 22,646.08, 31,258.20 and 15,103.36 is: 20,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.08 : 31,258.20 = 15,103.36 : x
  2. Step 2: Convert to fraction form
    22,646.08/31,258.20 = 15,103.36/x
  3. Step 3: Cross multiply
    22,646.08x = 31,258.20 × 15,103.36
  4. Step 4: Simplify right side
    22,646.08x = 472,103,847.55
  5. Step 5: Solve for x
    x = 472,103,847.55/22,646.08
  6. Step 6: Final answer
    x = 20,847.04

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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.