Home / 20,059.58-27,682.65-10,985.32

Finding the Fourth Proportional to 20,059.58, 27,682.65 and 10,985.32

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Solution

The fourth proportional to 20,059.58, 27,682.65 and 10,985.32 is: 15,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.58 : 27,682.65 = 10,985.32 : x
  2. Step 2: Convert to fraction form
    20,059.58/27,682.65 = 10,985.32/x
  3. Step 3: Cross multiply
    20,059.58x = 27,682.65 × 10,985.32
  4. Step 4: Simplify right side
    20,059.58x = 304,102,658.30
  5. Step 5: Solve for x
    x = 304,102,658.30/20,059.58
  6. Step 6: Final answer
    x = 15,159.98

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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.