Home / 15,982.23-22,054.55-9,174.67

Finding the Fourth Proportional to 15,982.23, 22,054.55 and 9,174.67

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Solution

The fourth proportional to 15,982.23, 22,054.55 and 9,174.67 is: 12,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.23 : 22,054.55 = 9,174.67 : x
  2. Step 2: Convert to fraction form
    15,982.23/22,054.55 = 9,174.67/x
  3. Step 3: Cross multiply
    15,982.23x = 22,054.55 × 9,174.67
  4. Step 4: Simplify right side
    15,982.23x = 202,343,062.10
  5. Step 5: Solve for x
    x = 202,343,062.10/15,982.23
  6. Step 6: Final answer
    x = 12,660.50

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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.