Home / 14,158.12-21,241.50-7,237.48

Finding the Fourth Proportional to 14,158.12, 21,241.50 and 7,237.48

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Solution

The fourth proportional to 14,158.12, 21,241.50 and 7,237.48 is: 10,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.12 : 21,241.50 = 7,237.48 : x
  2. Step 2: Convert to fraction form
    14,158.12/21,241.50 = 7,237.48/x
  3. Step 3: Cross multiply
    14,158.12x = 21,241.50 × 7,237.48
  4. Step 4: Simplify right side
    14,158.12x = 153,734,931.42
  5. Step 5: Solve for x
    x = 153,734,931.42/14,158.12
  6. Step 6: Final answer
    x = 10,858.43

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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.