Home / 23,530.99-32,473.29-12,920.67

Finding the Fourth Proportional to 23,530.99, 32,473.29 and 12,920.67

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Solution

The fourth proportional to 23,530.99, 32,473.29 and 12,920.67 is: 17,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.99 : 32,473.29 = 12,920.67 : x
  2. Step 2: Convert to fraction form
    23,530.99/32,473.29 = 12,920.67/x
  3. Step 3: Cross multiply
    23,530.99x = 32,473.29 × 12,920.67
  4. Step 4: Simplify right side
    23,530.99x = 419,576,501.54
  5. Step 5: Solve for x
    x = 419,576,501.54/23,530.99
  6. Step 6: Final answer
    x = 17,830.81

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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.