Home / 20,001.72-27,602.92-10,927.64

Finding the Fourth Proportional to 20,001.72, 27,602.92 and 10,927.64

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Solution

The fourth proportional to 20,001.72, 27,602.92 and 10,927.64 is: 15,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.72 : 27,602.92 = 10,927.64 : x
  2. Step 2: Convert to fraction form
    20,001.72/27,602.92 = 10,927.64/x
  3. Step 3: Cross multiply
    20,001.72x = 27,602.92 × 10,927.64
  4. Step 4: Simplify right side
    20,001.72x = 301,634,772.71
  5. Step 5: Solve for x
    x = 301,634,772.71/20,001.72
  6. Step 6: Final answer
    x = 15,080.44

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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.