Home / 17,688.32-24,409.94-9,731.05

Finding the Fourth Proportional to 17,688.32, 24,409.94 and 9,731.05

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Solution

The fourth proportional to 17,688.32, 24,409.94 and 9,731.05 is: 13,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.32 : 24,409.94 = 9,731.05 : x
  2. Step 2: Convert to fraction form
    17,688.32/24,409.94 = 9,731.05/x
  3. Step 3: Cross multiply
    17,688.32x = 24,409.94 × 9,731.05
  4. Step 4: Simplify right side
    17,688.32x = 237,534,175.93
  5. Step 5: Solve for x
    x = 237,534,175.93/17,688.32
  6. Step 6: Final answer
    x = 13,428.87

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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.