Home / 13,258.20-19,868.88-5,851.56

Finding the Fourth Proportional to 13,258.20, 19,868.88 and 5,851.56

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Solution

The fourth proportional to 13,258.20, 19,868.88 and 5,851.56 is: 8,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.20 : 19,868.88 = 5,851.56 : x
  2. Step 2: Convert to fraction form
    13,258.20/19,868.88 = 5,851.56/x
  3. Step 3: Cross multiply
    13,258.20x = 19,868.88 × 5,851.56
  4. Step 4: Simplify right side
    13,258.20x = 116,263,943.45
  5. Step 5: Solve for x
    x = 116,263,943.45/13,258.20
  6. Step 6: Final answer
    x = 8,769.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.