Home / 13,292.60-18,343.64-7,550.01

Finding the Fourth Proportional to 13,292.60, 18,343.64 and 7,550.01

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Solution

The fourth proportional to 13,292.60, 18,343.64 and 7,550.01 is: 10,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.60 : 18,343.64 = 7,550.01 : x
  2. Step 2: Convert to fraction form
    13,292.60/18,343.64 = 7,550.01/x
  3. Step 3: Cross multiply
    13,292.60x = 18,343.64 × 7,550.01
  4. Step 4: Simplify right side
    13,292.60x = 138,494,692.42
  5. Step 5: Solve for x
    x = 138,494,692.42/13,292.60
  6. Step 6: Final answer
    x = 10,418.93

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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.