Home / 15,982.13-22,053.73-9,270

Finding the Fourth Proportional to 15,982.13, 22,053.73 and 9,270

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Solution

The fourth proportional to 15,982.13, 22,053.73 and 9,270 is: 12,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.13 : 22,053.73 = 9,270 : x
  2. Step 2: Convert to fraction form
    15,982.13/22,053.73 = 9,270/x
  3. Step 3: Cross multiply
    15,982.13x = 22,053.73 × 9,270
  4. Step 4: Simplify right side
    15,982.13x = 204,438,077.10
  5. Step 5: Solve for x
    x = 204,438,077.10/15,982.13
  6. Step 6: Final answer
    x = 12,791.67

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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.