Home / 29,422.64-40,603.24-15,993.86

Finding the Fourth Proportional to 29,422.64, 40,603.24 and 15,993.86

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Solution

The fourth proportional to 29,422.64, 40,603.24 and 15,993.86 is: 22,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,422.64 : 40,603.24 = 15,993.86 : x
  2. Step 2: Convert to fraction form
    29,422.64/40,603.24 = 15,993.86/x
  3. Step 3: Cross multiply
    29,422.64x = 40,603.24 × 15,993.86
  4. Step 4: Simplify right side
    29,422.64x = 649,402,353.08
  5. Step 5: Solve for x
    x = 649,402,353.08/29,422.64
  6. Step 6: Final answer
    x = 22,071.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.