Home / 20,722.03-31,083.04-5,931.00

Finding the Fourth Proportional to 20,722.03, 31,083.04 and 5,931.00

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Solution

The fourth proportional to 20,722.03, 31,083.04 and 5,931.00 is: 8,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.03 : 31,083.04 = 5,931.00 : x
  2. Step 2: Convert to fraction form
    20,722.03/31,083.04 = 5,931.00/x
  3. Step 3: Cross multiply
    20,722.03x = 31,083.04 × 5,931.00
  4. Step 4: Simplify right side
    20,722.03x = 184,353,430.23
  5. Step 5: Solve for x
    x = 184,353,430.23/20,722.03
  6. Step 6: Final answer
    x = 8,896.50

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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.