Home / 14,945.24-20,626.43-9,655.45

Finding the Fourth Proportional to 14,945.24, 20,626.43 and 9,655.45

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Solution

The fourth proportional to 14,945.24, 20,626.43 and 9,655.45 is: 13,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.24 : 20,626.43 = 9,655.45 : x
  2. Step 2: Convert to fraction form
    14,945.24/20,626.43 = 9,655.45/x
  3. Step 3: Cross multiply
    14,945.24x = 20,626.43 × 9,655.45
  4. Step 4: Simplify right side
    14,945.24x = 199,157,363.70
  5. Step 5: Solve for x
    x = 199,157,363.70/14,945.24
  6. Step 6: Final answer
    x = 13,325.80

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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.