Home / 14,750.25-20,352.21-9,970.95

Finding the Fourth Proportional to 14,750.25, 20,352.21 and 9,970.95

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Solution

The fourth proportional to 14,750.25, 20,352.21 and 9,970.95 is: 13,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.25 : 20,352.21 = 9,970.95 : x
  2. Step 2: Convert to fraction form
    14,750.25/20,352.21 = 9,970.95/x
  3. Step 3: Cross multiply
    14,750.25x = 20,352.21 × 9,970.95
  4. Step 4: Simplify right side
    14,750.25x = 202,930,848.83
  5. Step 5: Solve for x
    x = 202,930,848.83/14,750.25
  6. Step 6: Final answer
    x = 13,757.79

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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.