Home / 14,267.12-19,660.88-10,280.70

Finding the Fourth Proportional to 14,267.12, 19,660.88 and 10,280.70

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Solution

The fourth proportional to 14,267.12, 19,660.88 and 10,280.70 is: 14,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.12 : 19,660.88 = 10,280.70 : x
  2. Step 2: Convert to fraction form
    14,267.12/19,660.88 = 10,280.70/x
  3. Step 3: Cross multiply
    14,267.12x = 19,660.88 × 10,280.70
  4. Step 4: Simplify right side
    14,267.12x = 202,127,609.02
  5. Step 5: Solve for x
    x = 202,127,609.02/14,267.12
  6. Step 6: Final answer
    x = 14,167.37

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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.