Home / 20,848.02-31,272.23-5,265.64

Finding the Fourth Proportional to 20,848.02, 31,272.23 and 5,265.64

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Solution

The fourth proportional to 20,848.02, 31,272.23 and 5,265.64 is: 7,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.02 : 31,272.23 = 5,265.64 : x
  2. Step 2: Convert to fraction form
    20,848.02/31,272.23 = 5,265.64/x
  3. Step 3: Cross multiply
    20,848.02x = 31,272.23 × 5,265.64
  4. Step 4: Simplify right side
    20,848.02x = 164,668,305.18
  5. Step 5: Solve for x
    x = 164,668,305.18/20,848.02
  6. Step 6: Final answer
    x = 7,898.51

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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.