Home / 19,101.28-26,353.60-15,558.24

Finding the Fourth Proportional to 19,101.28, 26,353.60 and 15,558.24

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Solution

The fourth proportional to 19,101.28, 26,353.60 and 15,558.24 is: 21,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.28 : 26,353.60 = 15,558.24 : x
  2. Step 2: Convert to fraction form
    19,101.28/26,353.60 = 15,558.24/x
  3. Step 3: Cross multiply
    19,101.28x = 26,353.60 × 15,558.24
  4. Step 4: Simplify right side
    19,101.28x = 410,015,633.66
  5. Step 5: Solve for x
    x = 410,015,633.66/19,101.28
  6. Step 6: Final answer
    x = 21,465.35

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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.