Home / 14,289.27-21,466.75-10,082.20

Finding the Fourth Proportional to 14,289.27, 21,466.75 and 10,082.20

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Solution

The fourth proportional to 14,289.27, 21,466.75 and 10,082.20 is: 15,146.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.27 : 21,466.75 = 10,082.20 : x
  2. Step 2: Convert to fraction form
    14,289.27/21,466.75 = 10,082.20/x
  3. Step 3: Cross multiply
    14,289.27x = 21,466.75 × 10,082.20
  4. Step 4: Simplify right side
    14,289.27x = 216,432,041.64
  5. Step 5: Solve for x
    x = 216,432,041.64/14,289.27
  6. Step 6: Final answer
    x = 15,146.48

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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.