Home / 13,955.22-20,928.67-4,593.51

Finding the Fourth Proportional to 13,955.22, 20,928.67 and 4,593.51

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Solution

The fourth proportional to 13,955.22, 20,928.67 and 4,593.51 is: 6,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.22 : 20,928.67 = 4,593.51 : x
  2. Step 2: Convert to fraction form
    13,955.22/20,928.67 = 4,593.51/x
  3. Step 3: Cross multiply
    13,955.22x = 20,928.67 × 4,593.51
  4. Step 4: Simplify right side
    13,955.22x = 96,136,043.45
  5. Step 5: Solve for x
    x = 96,136,043.45/13,955.22
  6. Step 6: Final answer
    x = 6,888.89

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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.