Home / 15,277.53-21,082.93-8,563.16

Finding the Fourth Proportional to 15,277.53, 21,082.93 and 8,563.16

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Solution

The fourth proportional to 15,277.53, 21,082.93 and 8,563.16 is: 11,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.53 : 21,082.93 = 8,563.16 : x
  2. Step 2: Convert to fraction form
    15,277.53/21,082.93 = 8,563.16/x
  3. Step 3: Cross multiply
    15,277.53x = 21,082.93 × 8,563.16
  4. Step 4: Simplify right side
    15,277.53x = 180,536,376.04
  5. Step 5: Solve for x
    x = 180,536,376.04/15,277.53
  6. Step 6: Final answer
    x = 11,817.12

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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.