Home / 21,424.50-32,150.05-10,332.32

Finding the Fourth Proportional to 21,424.50, 32,150.05 and 10,332.32

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Solution

The fourth proportional to 21,424.50, 32,150.05 and 10,332.32 is: 15,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,424.50 : 32,150.05 = 10,332.32 : x
  2. Step 2: Convert to fraction form
    21,424.50/32,150.05 = 10,332.32/x
  3. Step 3: Cross multiply
    21,424.50x = 32,150.05 × 10,332.32
  4. Step 4: Simplify right side
    21,424.50x = 332,184,604.62
  5. Step 5: Solve for x
    x = 332,184,604.62/21,424.50
  6. Step 6: Final answer
    x = 15,504.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.