Home / 20,684.04-31,032.54-7,533.96

Finding the Fourth Proportional to 20,684.04, 31,032.54 and 7,533.96

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Solution

The fourth proportional to 20,684.04, 31,032.54 and 7,533.96 is: 11,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.04 : 31,032.54 = 7,533.96 : x
  2. Step 2: Convert to fraction form
    20,684.04/31,032.54 = 7,533.96/x
  3. Step 3: Cross multiply
    20,684.04x = 31,032.54 × 7,533.96
  4. Step 4: Simplify right side
    20,684.04x = 233,797,915.06
  5. Step 5: Solve for x
    x = 233,797,915.06/20,684.04
  6. Step 6: Final answer
    x = 11,303.30

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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.