Home / 27,181.80-37,510.74-15,082.16

Finding the Fourth Proportional to 27,181.80, 37,510.74 and 15,082.16

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Solution

The fourth proportional to 27,181.80, 37,510.74 and 15,082.16 is: 20,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.80 : 37,510.74 = 15,082.16 : x
  2. Step 2: Convert to fraction form
    27,181.80/37,510.74 = 15,082.16/x
  3. Step 3: Cross multiply
    27,181.80x = 37,510.74 × 15,082.16
  4. Step 4: Simplify right side
    27,181.80x = 565,742,982.40
  5. Step 5: Solve for x
    x = 565,742,982.40/27,181.80
  6. Step 6: Final answer
    x = 20,813.30

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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.