Home / 19,433.08-26,818.14-11,258.20

Finding the Fourth Proportional to 19,433.08, 26,818.14 and 11,258.20

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Solution

The fourth proportional to 19,433.08, 26,818.14 and 11,258.20 is: 15,536.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.08 : 26,818.14 = 11,258.20 : x
  2. Step 2: Convert to fraction form
    19,433.08/26,818.14 = 11,258.20/x
  3. Step 3: Cross multiply
    19,433.08x = 26,818.14 × 11,258.20
  4. Step 4: Simplify right side
    19,433.08x = 301,923,983.75
  5. Step 5: Solve for x
    x = 301,923,983.75/19,433.08
  6. Step 6: Final answer
    x = 15,536.60

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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.