Home / 19,591.32-29,386.85-7,904.37

Finding the Fourth Proportional to 19,591.32, 29,386.85 and 7,904.37

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Solution

The fourth proportional to 19,591.32, 29,386.85 and 7,904.37 is: 11,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.32 : 29,386.85 = 7,904.37 : x
  2. Step 2: Convert to fraction form
    19,591.32/29,386.85 = 7,904.37/x
  3. Step 3: Cross multiply
    19,591.32x = 29,386.85 × 7,904.37
  4. Step 4: Simplify right side
    19,591.32x = 232,284,496.01
  5. Step 5: Solve for x
    x = 232,284,496.01/19,591.32
  6. Step 6: Final answer
    x = 11,856.50

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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.