Home / 19,130.28-26,399.60-10,632.42

Finding the Fourth Proportional to 19,130.28, 26,399.60 and 10,632.42

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Solution

The fourth proportional to 19,130.28, 26,399.60 and 10,632.42 is: 14,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.28 : 26,399.60 = 10,632.42 : x
  2. Step 2: Convert to fraction form
    19,130.28/26,399.60 = 10,632.42/x
  3. Step 3: Cross multiply
    19,130.28x = 26,399.60 × 10,632.42
  4. Step 4: Simplify right side
    19,130.28x = 280,691,635.03
  5. Step 5: Solve for x
    x = 280,691,635.03/19,130.28
  6. Step 6: Final answer
    x = 14,672.64

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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.