Home / 19,572.32-29,303.79-10,191.92

Finding the Fourth Proportional to 19,572.32, 29,303.79 and 10,191.92

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Solution

The fourth proportional to 19,572.32, 29,303.79 and 10,191.92 is: 15,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.32 : 29,303.79 = 10,191.92 : x
  2. Step 2: Convert to fraction form
    19,572.32/29,303.79 = 10,191.92/x
  3. Step 3: Cross multiply
    19,572.32x = 29,303.79 × 10,191.92
  4. Step 4: Simplify right side
    19,572.32x = 298,661,736.86
  5. Step 5: Solve for x
    x = 298,661,736.86/19,572.32
  6. Step 6: Final answer
    x = 15,259.40

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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.