Home / 20,840.08-31,263.20-6,047.08

Finding the Fourth Proportional to 20,840.08, 31,263.20 and 6,047.08

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Solution

The fourth proportional to 20,840.08, 31,263.20 and 6,047.08 is: 9,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840.08 : 31,263.20 = 6,047.08 : x
  2. Step 2: Convert to fraction form
    20,840.08/31,263.20 = 6,047.08/x
  3. Step 3: Cross multiply
    20,840.08x = 31,263.20 × 6,047.08
  4. Step 4: Simplify right side
    20,840.08x = 189,050,915.78
  5. Step 5: Solve for x
    x = 189,050,915.78/20,840.08
  6. Step 6: Final answer
    x = 9,071.51

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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.