Home / 19,478.61-29,218.32-6,330.96

Finding the Fourth Proportional to 19,478.61, 29,218.32 and 6,330.96

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Solution

The fourth proportional to 19,478.61, 29,218.32 and 6,330.96 is: 9,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.61 : 29,218.32 = 6,330.96 : x
  2. Step 2: Convert to fraction form
    19,478.61/29,218.32 = 6,330.96/x
  3. Step 3: Cross multiply
    19,478.61x = 29,218.32 × 6,330.96
  4. Step 4: Simplify right side
    19,478.61x = 184,980,015.19
  5. Step 5: Solve for x
    x = 184,980,015.19/19,478.61
  6. Step 6: Final answer
    x = 9,496.57

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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.