Home / 15,277.14-21,082.26-8,562.76

Finding the Fourth Proportional to 15,277.14, 21,082.26 and 8,562.76

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Solution

The fourth proportional to 15,277.14, 21,082.26 and 8,562.76 is: 11,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.14 : 21,082.26 = 8,562.76 : x
  2. Step 2: Convert to fraction form
    15,277.14/21,082.26 = 8,562.76/x
  3. Step 3: Cross multiply
    15,277.14x = 21,082.26 × 8,562.76
  4. Step 4: Simplify right side
    15,277.14x = 180,522,312.04
  5. Step 5: Solve for x
    x = 180,522,312.04/15,277.14
  6. Step 6: Final answer
    x = 11,816.50

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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.