Home / 14,041.28-21,043.68-5,711.60

Finding the Fourth Proportional to 14,041.28, 21,043.68 and 5,711.60

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Solution

The fourth proportional to 14,041.28, 21,043.68 and 5,711.60 is: 8,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.28 : 21,043.68 = 5,711.60 : x
  2. Step 2: Convert to fraction form
    14,041.28/21,043.68 = 5,711.60/x
  3. Step 3: Cross multiply
    14,041.28x = 21,043.68 × 5,711.60
  4. Step 4: Simplify right side
    14,041.28x = 120,193,082.69
  5. Step 5: Solve for x
    x = 120,193,082.69/14,041.28
  6. Step 6: Final answer
    x = 8,559.98

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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.