Home / 13,040.46-19,564.34-4,281.53

Finding the Fourth Proportional to 13,040.46, 19,564.34 and 4,281.53

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Solution

The fourth proportional to 13,040.46, 19,564.34 and 4,281.53 is: 6,423.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.46 : 19,564.34 = 4,281.53 : x
  2. Step 2: Convert to fraction form
    13,040.46/19,564.34 = 4,281.53/x
  3. Step 3: Cross multiply
    13,040.46x = 19,564.34 × 4,281.53
  4. Step 4: Simplify right side
    13,040.46x = 83,765,308.64
  5. Step 5: Solve for x
    x = 83,765,308.64/13,040.46
  6. Step 6: Final answer
    x = 6,423.49

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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.