Home / 19,061.64-28,591.56-5,912.28

Finding the Fourth Proportional to 19,061.64, 28,591.56 and 5,912.28

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Solution

The fourth proportional to 19,061.64, 28,591.56 and 5,912.28 is: 8,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,061.64 : 28,591.56 = 5,912.28 : x
  2. Step 2: Convert to fraction form
    19,061.64/28,591.56 = 5,912.28/x
  3. Step 3: Cross multiply
    19,061.64x = 28,591.56 × 5,912.28
  4. Step 4: Simplify right side
    19,061.64x = 169,041,308.36
  5. Step 5: Solve for x
    x = 169,041,308.36/19,061.64
  6. Step 6: Final answer
    x = 8,868.14

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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.