Home / 19,567.28-29,341.20-7,086.80

Finding the Fourth Proportional to 19,567.28, 29,341.20 and 7,086.80

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Solution

The fourth proportional to 19,567.28, 29,341.20 and 7,086.80 is: 10,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.28 : 29,341.20 = 7,086.80 : x
  2. Step 2: Convert to fraction form
    19,567.28/29,341.20 = 7,086.80/x
  3. Step 3: Cross multiply
    19,567.28x = 29,341.20 × 7,086.80
  4. Step 4: Simplify right side
    19,567.28x = 207,935,216.16
  5. Step 5: Solve for x
    x = 207,935,216.16/19,567.28
  6. Step 6: Final answer
    x = 10,626.68

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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.