Home / 19,618.28-29,430.34-6,472.04

Finding the Fourth Proportional to 19,618.28, 29,430.34 and 6,472.04

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Solution

The fourth proportional to 19,618.28, 29,430.34 and 6,472.04 is: 9,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.28 : 29,430.34 = 6,472.04 : x
  2. Step 2: Convert to fraction form
    19,618.28/29,430.34 = 6,472.04/x
  3. Step 3: Cross multiply
    19,618.28x = 29,430.34 × 6,472.04
  4. Step 4: Simplify right side
    19,618.28x = 190,474,337.69
  5. Step 5: Solve for x
    x = 190,474,337.69/19,618.28
  6. Step 6: Final answer
    x = 9,709.02

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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.