Home / 13,458.24-20,187.18-4,693.11

Finding the Fourth Proportional to 13,458.24, 20,187.18 and 4,693.11

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Solution

The fourth proportional to 13,458.24, 20,187.18 and 4,693.11 is: 7,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.24 : 20,187.18 = 4,693.11 : x
  2. Step 2: Convert to fraction form
    13,458.24/20,187.18 = 4,693.11/x
  3. Step 3: Cross multiply
    13,458.24x = 20,187.18 × 4,693.11
  4. Step 4: Simplify right side
    13,458.24x = 94,740,656.33
  5. Step 5: Solve for x
    x = 94,740,656.33/13,458.24
  6. Step 6: Final answer
    x = 7,039.60

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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.