Home / 32,127.49-48,165.27-13,421.86

Finding the Fourth Proportional to 32,127.49, 48,165.27 and 13,421.86

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Solution

The fourth proportional to 32,127.49, 48,165.27 and 13,421.86 is: 20,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,127.49 : 48,165.27 = 13,421.86 : x
  2. Step 2: Convert to fraction form
    32,127.49/48,165.27 = 13,421.86/x
  3. Step 3: Cross multiply
    32,127.49x = 48,165.27 × 13,421.86
  4. Step 4: Simplify right side
    32,127.49x = 646,467,510.80
  5. Step 5: Solve for x
    x = 646,467,510.80/32,127.49
  6. Step 6: Final answer
    x = 20,121.94

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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.