Home / 13,632.48-20,448.86-4,867.47

Finding the Fourth Proportional to 13,632.48, 20,448.86 and 4,867.47

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Solution

The fourth proportional to 13,632.48, 20,448.86 and 4,867.47 is: 7,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.48 : 20,448.86 = 4,867.47 : x
  2. Step 2: Convert to fraction form
    13,632.48/20,448.86 = 4,867.47/x
  3. Step 3: Cross multiply
    13,632.48x = 20,448.86 × 4,867.47
  4. Step 4: Simplify right side
    13,632.48x = 99,534,212.58
  5. Step 5: Solve for x
    x = 99,534,212.58/13,632.48
  6. Step 6: Final answer
    x = 7,301.25

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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.