Home / 21,421.93-32,153.64-10,336.41

Finding the Fourth Proportional to 21,421.93, 32,153.64 and 10,336.41

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Solution

The fourth proportional to 21,421.93, 32,153.64 and 10,336.41 is: 15,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.93 : 32,153.64 = 10,336.41 : x
  2. Step 2: Convert to fraction form
    21,421.93/32,153.64 = 10,336.41/x
  3. Step 3: Cross multiply
    21,421.93x = 32,153.64 × 10,336.41
  4. Step 4: Simplify right side
    21,421.93x = 332,353,206.03
  5. Step 5: Solve for x
    x = 332,353,206.03/21,421.93
  6. Step 6: Final answer
    x = 15,514.62

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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.