Home / 14,087.28-21,127.95-9,074.64

Finding the Fourth Proportional to 14,087.28, 21,127.95 and 9,074.64

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Solution

The fourth proportional to 14,087.28, 21,127.95 and 9,074.64 is: 13,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.28 : 21,127.95 = 9,074.64 : x
  2. Step 2: Convert to fraction form
    14,087.28/21,127.95 = 9,074.64/x
  3. Step 3: Cross multiply
    14,087.28x = 21,127.95 × 9,074.64
  4. Step 4: Simplify right side
    14,087.28x = 191,728,540.19
  5. Step 5: Solve for x
    x = 191,728,540.19/14,087.28
  6. Step 6: Final answer
    x = 13,610.05

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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.