Home / 13,795.80-20,683.56-4,430.46

Finding the Fourth Proportional to 13,795.80, 20,683.56 and 4,430.46

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Solution

The fourth proportional to 13,795.80, 20,683.56 and 4,430.46 is: 6,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.80 : 20,683.56 = 4,430.46 : x
  2. Step 2: Convert to fraction form
    13,795.80/20,683.56 = 4,430.46/x
  3. Step 3: Cross multiply
    13,795.80x = 20,683.56 × 4,430.46
  4. Step 4: Simplify right side
    13,795.80x = 91,637,685.24
  5. Step 5: Solve for x
    x = 91,637,685.24/13,795.80
  6. Step 6: Final answer
    x = 6,642.43

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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.