Home / 14,227.28-21,352.08-9,875.36

Finding the Fourth Proportional to 14,227.28, 21,352.08 and 9,875.36

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Solution

The fourth proportional to 14,227.28, 21,352.08 and 9,875.36 is: 14,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.28 : 21,352.08 = 9,875.36 : x
  2. Step 2: Convert to fraction form
    14,227.28/21,352.08 = 9,875.36/x
  3. Step 3: Cross multiply
    14,227.28x = 21,352.08 × 9,875.36
  4. Step 4: Simplify right side
    14,227.28x = 210,859,476.75
  5. Step 5: Solve for x
    x = 210,859,476.75/14,227.28
  6. Step 6: Final answer
    x = 14,820.79

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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.