Home / 14,433.40-19,912.25-11,070.28

Finding the Fourth Proportional to 14,433.40, 19,912.25 and 11,070.28

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Solution

The fourth proportional to 14,433.40, 19,912.25 and 11,070.28 is: 15,272.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.40 : 19,912.25 = 11,070.28 : x
  2. Step 2: Convert to fraction form
    14,433.40/19,912.25 = 11,070.28/x
  3. Step 3: Cross multiply
    14,433.40x = 19,912.25 × 11,070.28
  4. Step 4: Simplify right side
    14,433.40x = 220,434,127.58
  5. Step 5: Solve for x
    x = 220,434,127.58/14,433.40
  6. Step 6: Final answer
    x = 15,272.50

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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.