Home / 19,954.12-29,940.28-7,475.10

Finding the Fourth Proportional to 19,954.12, 29,940.28 and 7,475.10

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Solution

The fourth proportional to 19,954.12, 29,940.28 and 7,475.10 is: 11,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.12 : 29,940.28 = 7,475.10 : x
  2. Step 2: Convert to fraction form
    19,954.12/29,940.28 = 7,475.10/x
  3. Step 3: Cross multiply
    19,954.12x = 29,940.28 × 7,475.10
  4. Step 4: Simplify right side
    19,954.12x = 223,806,587.03
  5. Step 5: Solve for x
    x = 223,806,587.03/19,954.12
  6. Step 6: Final answer
    x = 11,216.06

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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.