Home / 14,455.32-21,684.58-5,689.08

Finding the Fourth Proportional to 14,455.32, 21,684.58 and 5,689.08

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Solution

The fourth proportional to 14,455.32, 21,684.58 and 5,689.08 is: 8,534.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.32 : 21,684.58 = 5,689.08 : x
  2. Step 2: Convert to fraction form
    14,455.32/21,684.58 = 5,689.08/x
  3. Step 3: Cross multiply
    14,455.32x = 21,684.58 × 5,689.08
  4. Step 4: Simplify right side
    14,455.32x = 123,365,310.39
  5. Step 5: Solve for x
    x = 123,365,310.39/14,455.32
  6. Step 6: Final answer
    x = 8,534.25

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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.