Home / 13,457.92-20,189.52-4,693.12

Finding the Fourth Proportional to 13,457.92, 20,189.52 and 4,693.12

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Solution

The fourth proportional to 13,457.92, 20,189.52 and 4,693.12 is: 7,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.92 : 20,189.52 = 4,693.12 : x
  2. Step 2: Convert to fraction form
    13,457.92/20,189.52 = 4,693.12/x
  3. Step 3: Cross multiply
    13,457.92x = 20,189.52 × 4,693.12
  4. Step 4: Simplify right side
    13,457.92x = 94,751,840.10
  5. Step 5: Solve for x
    x = 94,751,840.10/13,457.92
  6. Step 6: Final answer
    x = 7,040.60

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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.