Home / 20,031.16-27,644.08-12,074.52

Finding the Fourth Proportional to 20,031.16, 27,644.08 and 12,074.52

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Solution

The fourth proportional to 20,031.16, 27,644.08 and 12,074.52 is: 16,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,031.16 : 27,644.08 = 12,074.52 : x
  2. Step 2: Convert to fraction form
    20,031.16/27,644.08 = 12,074.52/x
  3. Step 3: Cross multiply
    20,031.16x = 27,644.08 × 12,074.52
  4. Step 4: Simplify right side
    20,031.16x = 333,788,996.84
  5. Step 5: Solve for x
    x = 333,788,996.84/20,031.16
  6. Step 6: Final answer
    x = 16,663.49

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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.