Home / 13,066.80-18,019.72-8,594.32

Finding the Fourth Proportional to 13,066.80, 18,019.72 and 8,594.32

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Solution

The fourth proportional to 13,066.80, 18,019.72 and 8,594.32 is: 11,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.80 : 18,019.72 = 8,594.32 : x
  2. Step 2: Convert to fraction form
    13,066.80/18,019.72 = 8,594.32/x
  3. Step 3: Cross multiply
    13,066.80x = 18,019.72 × 8,594.32
  4. Step 4: Simplify right side
    13,066.80x = 154,867,239.99
  5. Step 5: Solve for x
    x = 154,867,239.99/13,066.80
  6. Step 6: Final answer
    x = 11,851.96

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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.