Home / 19,622.80-29,434.20-6,475.60

Finding the Fourth Proportional to 19,622.80, 29,434.20 and 6,475.60

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Solution

The fourth proportional to 19,622.80, 29,434.20 and 6,475.60 is: 9,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.80 : 29,434.20 = 6,475.60 : x
  2. Step 2: Convert to fraction form
    19,622.80/29,434.20 = 6,475.60/x
  3. Step 3: Cross multiply
    19,622.80x = 29,434.20 × 6,475.60
  4. Step 4: Simplify right side
    19,622.80x = 190,604,105.52
  5. Step 5: Solve for x
    x = 190,604,105.52/19,622.80
  6. Step 6: Final answer
    x = 9,713.40

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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.