Home / 14,700.24-20,242.08-13,293.57

Finding the Fourth Proportional to 14,700.24, 20,242.08 and 13,293.57

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Solution

The fourth proportional to 14,700.24, 20,242.08 and 13,293.57 is: 18,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.24 : 20,242.08 = 13,293.57 : x
  2. Step 2: Convert to fraction form
    14,700.24/20,242.08 = 13,293.57/x
  3. Step 3: Cross multiply
    14,700.24x = 20,242.08 × 13,293.57
  4. Step 4: Simplify right side
    14,700.24x = 269,089,507.43
  5. Step 5: Solve for x
    x = 269,089,507.43/14,700.24
  6. Step 6: Final answer
    x = 18,305.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.