Home / 19,567.31-29,353.46-6,415.20

Finding the Fourth Proportional to 19,567.31, 29,353.46 and 6,415.20

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Solution

The fourth proportional to 19,567.31, 29,353.46 and 6,415.20 is: 9,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.31 : 29,353.46 = 6,415.20 : x
  2. Step 2: Convert to fraction form
    19,567.31/29,353.46 = 6,415.20/x
  3. Step 3: Cross multiply
    19,567.31x = 29,353.46 × 6,415.20
  4. Step 4: Simplify right side
    19,567.31x = 188,308,284.52
  5. Step 5: Solve for x
    x = 188,308,284.52/19,567.31
  6. Step 6: Final answer
    x = 9,623.62

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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.