Home / 13,301.07-19,952.19-4,978.92

Finding the Fourth Proportional to 13,301.07, 19,952.19 and 4,978.92

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Solution

The fourth proportional to 13,301.07, 19,952.19 and 4,978.92 is: 7,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.07 : 19,952.19 = 4,978.92 : x
  2. Step 2: Convert to fraction form
    13,301.07/19,952.19 = 4,978.92/x
  3. Step 3: Cross multiply
    13,301.07x = 19,952.19 × 4,978.92
  4. Step 4: Simplify right side
    13,301.07x = 99,340,357.83
  5. Step 5: Solve for x
    x = 99,340,357.83/13,301.07
  6. Step 6: Final answer
    x = 7,468.60

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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.