Home / 23,128.94-31,933.58-15,184.67

Finding the Fourth Proportional to 23,128.94, 31,933.58 and 15,184.67

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Solution

The fourth proportional to 23,128.94, 31,933.58 and 15,184.67 is: 20,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.94 : 31,933.58 = 15,184.67 : x
  2. Step 2: Convert to fraction form
    23,128.94/31,933.58 = 15,184.67/x
  3. Step 3: Cross multiply
    23,128.94x = 31,933.58 × 15,184.67
  4. Step 4: Simplify right side
    23,128.94x = 484,900,638.63
  5. Step 5: Solve for x
    x = 484,900,638.63/23,128.94
  6. Step 6: Final answer
    x = 20,965.10

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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.