Home / 19,591.08-29,386.46-7,904.12

Finding the Fourth Proportional to 19,591.08, 29,386.46 and 7,904.12

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Solution

The fourth proportional to 19,591.08, 29,386.46 and 7,904.12 is: 11,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.08 : 29,386.46 = 7,904.12 : x
  2. Step 2: Convert to fraction form
    19,591.08/29,386.46 = 7,904.12/x
  3. Step 3: Cross multiply
    19,591.08x = 29,386.46 × 7,904.12
  4. Step 4: Simplify right side
    19,591.08x = 232,274,106.22
  5. Step 5: Solve for x
    x = 232,274,106.22/19,591.08
  6. Step 6: Final answer
    x = 11,856.12

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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.